Flat Washers in Every Size, Material & Tolerance

Flat washers are essential components in fastener assemblies, distributing load evenly across mating surfaces to prevent wear, protect finishes, and ensure joint integrity. As a leading flat washer manufacturer, Superior Washer & Gasket Corp supplies standard washers, large flat washers, and custom flat washers in aluminum, brass, copper, stainless steel, carbon steel, and nylon-manufactured to your exact specifications.

Our ISO 9001:2015 certified quality management system guarantees consistent dimensional accuracy across every order, from prototype quantities to high-volume production runs. Whether you need special flat washers for a unique application or mil-spec flat washers for aerospace and defense, we deliver reliable solutions made in the U.S.A.

Standard and custom flat washer sizes in stock
Wide selection of materials including stainless steel, brass, aluminum, and nylon
ISO 9001:2015 certified manufacturing and quality control
Custom flat washers produced to print or sample
Competitive pricing with fast turnaround

Showing 23501–23550 of 25,000+ products

SKU	ID	OD	Thickness	ID (MM)	OD (MM)	Thickness (MM)	Material	ID TOL	OD TOL	ID MM TOL	OD MM TOL	Quantity
630-7825	ID Not available	OD Not available	Thickness Not available	ID (MM) 38.202	OD (MM) 63.5	Thickness (MM) 0.254	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7827	ID Not available	OD Not available	Thickness Not available	ID (MM) 38.252	OD (MM) 58.547	Thickness (MM) 2.616	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7832	ID Not available	OD Not available	Thickness Not available	ID (MM) 39.573	OD (MM) 56.413	Thickness (MM) 1.219	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7833	ID Not available	OD Not available	Thickness Not available	ID (MM) 39.7	OD (MM) 51.841	Thickness (MM) 0.762	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7834	ID Not available	OD Not available	Thickness Not available	ID (MM) 39.7	OD (MM) 61.087	Thickness (MM) 0.787	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7838	ID Not available	OD Not available	Thickness Not available	ID (MM) 41.3	OD (MM) 69.825	Thickness (MM) 2.972	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7840	ID Not available	OD Not available	Thickness Not available	ID (MM) 41.707	OD (MM) 60.325	Thickness (MM) 0.813	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7841	ID Not available	OD Not available	Thickness Not available	ID (MM) 42.367	OD (MM) 60.681	Thickness (MM) 0.838	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7851	ID Not available	OD Not available	Thickness Not available	ID (MM) 44.526	OD (MM) 60.35	Thickness (MM) 2.337	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7855	ID Not available	OD Not available	Thickness Not available	ID (MM) 45.974	OD (MM) 63.5	Thickness (MM) 0.127	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7862	ID Not available	OD Not available	Thickness Not available	ID (MM) 50.876	OD (MM) 76.2	Thickness (MM) 1.524	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7863	ID Not available	OD Not available	Thickness Not available	ID (MM) 51.003	OD (MM) 69.799	Thickness (MM) 1.473	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7865	ID Not available	OD Not available	Thickness Not available	ID (MM) 51.054	OD (MM) 69.85	Thickness (MM) 1.524	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7870	ID Not available	OD Not available	Thickness Not available	ID (MM) 57.861	OD (MM) 76.225	Thickness (MM) 0.762	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
630-7871	ID Not available	OD Not available	Thickness Not available	ID (MM) 63.551	OD (MM) 88.875	Thickness (MM) 0.787	Material Stainless Steel	ID TOL Not available	OD TOL Not available	ID MM TOL 0.127	OD MM TOL 0.127	Quantity
640-100-010	ID Not available	OD 1.5	Thickness 0.01	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-101-015	ID Not available	OD 1.5	Thickness 0.015	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-102-030	ID Not available	OD 1.5	Thickness 0.03	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-103-050	ID Not available	OD 1.5	Thickness 0.05	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-104-062	ID Not available	OD 1.5	Thickness 0.062	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-105-125	ID Not available	OD 1.5	Thickness 0.125	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-106-010	ID Not available	OD 2.0	Thickness 0.01	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-107-030	ID Not available	OD 2.0	Thickness 0.03	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-108-062	ID Not available	OD 2.0	Thickness 0.062	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-109-125	ID Not available	OD 2.0	Thickness 0.125	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-110-010	ID Not available	OD 1.575	Thickness 0.01	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-111-030	ID Not available	OD 1.575	Thickness 0.03	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-112-050	ID Not available	OD 1.575	Thickness 0.05	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-113-090	ID Not available	OD 1.575	Thickness 0.09	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-114-125	ID Not available	OD 1.575	Thickness 0.125	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-115-010	ID Not available	OD 2.0	Thickness 0.01	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-116-032	ID Not available	OD 2.0	Thickness 0.032	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-117-062	ID Not available	OD 2.0	Thickness 0.062	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-118-125	ID Not available	OD 2.0	Thickness 0.125	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-119-010	ID Not available	OD 2.0	Thickness 0.01	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-120-030	ID Not available	OD 2.0	Thickness 0.03	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-121-062	ID Not available	OD 2.0	Thickness 0.062	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
640-122-125	ID Not available	OD 2.0	Thickness 0.125	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Not available	ID TOL Not available	OD TOL Not available	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1000-030	ID 0.174	OD 0.438	Thickness 0.03	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1001-051	ID 0.174	OD 0.439	Thickness 0.051	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1002-032	ID 0.174	OD 0.465	Thickness 0.032	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1003-032	ID 0.174	OD 0.468	Thickness 0.032	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1004-030	ID 0.174	OD 0.5	Thickness 0.03	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1005-040	ID 0.174	OD 0.501	Thickness 0.04	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1006-050	ID 0.174	OD 0.503	Thickness 0.05	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1007-047	ID 0.174	OD 0.562	Thickness 0.047	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1008-034	ID 0.174	OD 0.564	Thickness 0.034	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1009-030	ID 0.174	OD 0.624	Thickness 0.03	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1010-050	ID 0.174	OD 0.626	Thickness 0.05	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity
650-1011-062	ID 0.174	OD 0.689	Thickness 0.062	ID (MM) Not available	OD (MM) Not available	Thickness (MM) Not available	Material Steel Low Carbon	ID TOL +-.005	OD TOL +-.005	ID MM TOL Not available	OD MM TOL Not available	Quantity

Flat Washers in Every Size, Material & Tolerance

Flat Washers in Every Size, Material & Tolerance

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A Special to You is Standard to Us

Made in USA

New York

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