Home | Military Washers & Mil-Spec Flat Washers - AN, MS, NAS Standards

Military Washers & Mil-Spec Flat Washers - AN, MS, NAS Standards

Superior Washer & Gasket Corp is a trusted manufacturer of mil-spec washers for defense, aerospace, and government applications. Our military washers-including military flat washers, mil spec flat washers, and milspec washers-are produced to exacting AN, MS, and NAS standards, ensuring optimal performance and interchangeability in mission-critical assemblies.

As an ISO 9001:2015 certified company, we implement a rigorous Quality Management System (QMS) regularly audited for compliance. We provide full material certifications and DFARS compliance documentation. All military grade washers and military washers are manufactured in the U.S.A. from qualified materials.

  • Mil-spec washers to AN, MS, and NAS standards
  • DFARS-compliant materials and documentation
  • Material certifications available
  • ISO 9001:2015 certified QMS
  • 100% U.S. manufactured

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Showing 1301–1345 of 1,345 products

SKU ID OD Thickness Drawing Quantity

NAS620B0

ID 0.063
OD 0.099
Thickness 0.016
Drawing REV 8
Quantity

NAS620B10

ID 0.195
OD 0.354
Thickness 0.063
Drawing REV 8
Quantity

NAS620B10L

ID 0.195
OD 0.354
Thickness 0.032
Drawing REV 8
Quantity

NAS620B2

ID 0.089
OD 0.149
Thickness 0.016
Drawing REV 8
Quantity

NAS620B3

ID 0.102
OD 0.18
Thickness 0.032
Drawing REV 8
Quantity

NAS620B3L

ID 0.102
OD 0.18
Thickness 0.016
Drawing REV 8
Quantity

NAS620B4

ID 0.115
OD 0.209
Thickness 0.032
Drawing REV 8
Quantity

NAS620B416

ID 0.255
OD 0.468
Thickness 0.063
Drawing REV 8
Quantity

NAS620B416L

ID 0.255
OD 0.468
Thickness 0.032
Drawing REV 8
Quantity

NAS620B4L

ID 0.115
OD 0.209
Thickness 0.016
Drawing REV 8
Quantity

NAS620B5

ID 0.128
OD 0.238
Thickness 0.032
Drawing REV 8
Quantity

NAS620B5L

ID 0.128
OD 0.238
Thickness 0.016
Drawing REV 8
Quantity

NAS620B6

ID 0.143
OD 0.267
Thickness 0.032
Drawing REV 8
Quantity

NAS620B6L

ID 0.143
OD 0.267
Thickness 0.016
Drawing REV 8
Quantity

NAS620B8

ID 0.169
OD 0.304
Thickness 0.032
Drawing REV 8
Quantity

NAS620B8L

ID 0.169
OD 0.304
Thickness 0.016
Drawing REV 8
Quantity

NAS620C0

ID 0.063
OD 0.099
Thickness 0.016
Drawing REV 8
Quantity

NAS620C10

ID 0.195
OD 0.354
Thickness 0.063
Drawing REV 8
Quantity

NAS620C10L

ID 0.195
OD 0.354
Thickness 0.032
Drawing REV 8
Quantity

NAS620C10LP

ID 0.195
OD 0.354
Thickness 0.032
Drawing REV 8
Quantity

NAS620C10P

ID 0.195
OD 0.354
Thickness 0.063
Drawing REV 8
Quantity

NAS620C2

ID 0.089
OD 0.149
Thickness 0.016
Drawing REV 8
Quantity

NAS620C2P

ID 0.089
OD 0.149
Thickness 0.016
Drawing REV 8
Quantity

NAS620C3

ID 0.102
OD 0.18
Thickness 0.032
Drawing REV 8
Quantity

NAS620C3L

ID 0.102
OD 0.18
Thickness 0.016
Drawing REV 8
Quantity

NAS620C4

ID 0.115
OD 0.209
Thickness 0.032
Drawing REV 8
Quantity

NAS620C416

ID 0.255
OD 0.468
Thickness 0.063
Drawing REV 8
Quantity

NAS620C416L

ID 0.255
OD 0.468
Thickness 0.032
Drawing REV 8
Quantity

NAS620C416LP

ID 0.255
OD 0.468
Thickness 0.032
Drawing REV 8
Quantity

NAS620C416P

ID 0.255
OD 0.468
Thickness 0.063
Drawing REV 8
Quantity

NAS620C4L

ID 0.115
OD 0.209
Thickness 0.016
Drawing REV 8
Quantity

NAS620C4LP

ID 0.115
OD 0.209
Thickness 0.016
Drawing REV 8
Quantity

NAS620C4P

ID 0.115
OD 0.209
Thickness 0.032
Drawing REV 8
Quantity

NAS620C5

ID 0.128
OD 0.238
Thickness 0.032
Drawing REV 8
Quantity

NAS620C5L

ID 0.128
OD 0.238
Thickness 0.016
Drawing REV 8
Quantity

NAS620C5LP

ID 0.128
OD 0.238
Thickness 0.016
Drawing REV 8
Quantity

NAS620C5P

ID 0.128
OD 0.238
Thickness 0.032
Drawing REV 8
Quantity

NAS620C6

ID 0.143
OD 0.267
Thickness 0.032
Drawing REV 8
Quantity

NAS620C6L

ID 0.143
OD 0.267
Thickness 0.016
Drawing REV 8
Quantity

NAS620C6LP

ID 0.143
OD 0.267
Thickness 0.016
Drawing REV 8
Quantity

NAS620C6P

ID 0.143
OD 0.267
Thickness 0.032
Drawing REV 8
Quantity

NAS620C8

ID 0.169
OD 0.304
Thickness 0.032
Drawing REV 8
Quantity

NAS620C8L

ID 0.169
OD 0.304
Thickness 0.016
Drawing REV 8
Quantity

NAS620C8LP

ID 0.169
OD 0.304
Thickness 0.016
Drawing REV 8
Quantity

NAS620C8P

ID 0.169
OD 0.304
Thickness 0.032
Drawing REV 8
Quantity

As a leading washer manufacturer, we produce military washers according to precise standards and specifications. We are an ISO 9001:2015 certified company and implement, maintain, and adhere to a total Quality Management System (QMS) that is regularly audited to guarantee compliance and excellence. Our commitment to quality ensures we deliver products that meet rigorous industry requirements, including: • NAS: National Aerospace Standards • MS: Military Standards • AN: Aeronautical Standards We can provide material certifications and DFARS compliance. We proudly assure that all of the products we offer, from standard washers to custom washers, are manufactured here in the U.S.A.