NAS1149 Washers - Mil-Spec Aerospace Flat Washers

NAS1149 washers are widely specified military and aerospace washers designed to provide even load distribution and protect fastener bearing surfaces in demanding military applications. Superior Washer & Gasket Corp manufactures NAS1149 washers from DFARS-compliant materials with full material certifications and traceability for defense and aerospace procurement.

As an ISO 9001:2015 certified manufacturer, we produce NAS1149 military flat washers with precise dimensional control to meet National Aerospace Standard requirements. Our domestic manufacturing ensures Buy American and DFARS compliance, with documentation to support regulated procurement. All products are made in the U.S.A.

NAS1149 washers per National Aerospace Standards
DFARS-compliant materials with certifications
ISO 9001:2015 certified quality management
Complete documentation for aerospace and defense
Made in the U.S.A.

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Showing 1–50 of 290 products

SKU	ID	OD	Thickness	Material	Drawing	Quantity
NAS1149B0332H	ID 0.203	OD 0.438	Thickness 0.032	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0432H	ID 0.265	OD 0.5	Thickness 0.032	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0463H	ID 0.265	OD 0.5	Thickness 0.063	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0516H	ID 0.328	OD 0.562	Thickness 0.016	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0532H	ID 0.328	OD 0.562	Thickness 0.032	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0563H	ID 0.328	OD 0.562	Thickness 0.063	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0632H	ID 0.39	OD 0.625	Thickness 0.032	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0663H	ID 0.39	OD 0.625	Thickness 0.063	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B0763H	ID 0.453	OD 0.75	Thickness 0.063	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B1016H	ID 0.64	OD 1.188	Thickness 0.016	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B1032H	ID 0.64	OD 1.188	Thickness 0.032	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149B1063H	ID 0.64	OD 1.188	Thickness 0.063	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149BN316H	ID 0.105	OD 0.25	Thickness 0.016	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149BN632H	ID 0.149	OD 0.375	Thickness 0.032	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149BN832H	ID 0.174	OD 0.375	Thickness 0.032	Material BRASS 1/4 HD MIN ALLOY 260 ASTMB36	Drawing REV 7	Quantity
NAS1149C0316B	ID 0.203	OD 0.438	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0316R	ID 0.203	OD 0.438	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0332B	ID 0.203	OD 0.438	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0432B	ID 0.265	OD 0.5	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0432R	ID 0.265	OD 0.5	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0463B	ID 0.265	OD 0.5	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0463R	ID 0.265	OD 0.5	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0516B	ID 0.328	OD 0.562	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0516R	ID 0.328	OD 0.562	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0532B	ID 0.328	OD 0.562	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0532R	ID 0.328	OD 0.562	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0563B	ID 0.328	OD 0.562	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0563R	ID 0.328	OD 0.562	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0616B	ID 0.39	OD 0.625	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0616R	ID 0.39	OD 0.625	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0632B	ID 0.39	OD 0.625	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0632R	ID 0.39	OD 0.625	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0663B	ID 0.39	OD 0.625	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0663R	ID 0.39	OD 0.625	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0716B	ID 0.453	OD 0.75	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0716R	ID 0.453	OD 0.75	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0732B	ID 0.453	OD 0.75	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0732R	ID 0.453	OD 0.75	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0763B	ID 0.453	OD 0.75	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0763R	ID 0.453	OD 0.75	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0816R	ID 0.515	OD 0.875	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0832B	ID 0.515	OD 0.875	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0832R	ID 0.515	OD 0.875	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0863B	ID 0.515	OD 0.875	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0863R	ID 0.515	OD 0.875	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0916B	ID 0.578	OD 1.062	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0916R	ID 0.578	OD 1.062	Thickness 0.016	Material 301 SS 1/4 HD AMS5517	Drawing REV 7	Quantity
NAS1149C0932B	ID 0.578	OD 1.062	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0932R	ID 0.578	OD 1.062	Thickness 0.032	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity
NAS1149C0963B	ID 0.578	OD 1.062	Thickness 0.063	Material 301/302/304 A AMS5901,5516,5513	Drawing REV 7	Quantity

NAS1149 Washers - Mil-Spec Aerospace Flat Washers

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