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 951–1000 of 1,345 products

SKU ID OD Thickness Material Drawing Quantity

NAS1149CN032R

ID 0.068
OD 0.188
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN216B

ID 0.099
OD 0.25
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN216R

ID 0.099
OD 0.25
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN232R

ID 0.099
OD 0.25
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN316B

ID 0.105
OD 0.25
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN316R

ID 0.105
OD 0.25
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN332B

ID 0.105
OD 0.25
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN332R

ID 0.105
OD 0.25
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN416B

ID 0.125
OD 0.312
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN416R

ID 0.125
OD 0.312
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN432B

ID 0.125
OD 0.312
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN432R

ID 0.125
OD 0.312
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN516R

ID 0.14
OD 0.438
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN532B

ID 0.14
OD 0.438
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN532R

ID 0.14
OD 0.438
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN542R

ID 0.14
OD 0.438
Thickness 0.042
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN616B

ID 0.149
OD 0.375
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN616R

ID 0.149
OD 0.375
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN632B

ID 0.149
OD 0.375
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN632R

ID 0.149
OD 0.375
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN816B

ID 0.174
OD 0.375
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN816R

ID 0.174
OD 0.375
Thickness 0.016
Material 301 SS 1/4 HD AMS5517
Drawing REV 7
Quantity

NAS1149CN832B

ID 0.174
OD 0.375
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN832R

ID 0.174
OD 0.375
Thickness 0.032
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN949B

ID 0.188
OD 0.5
Thickness 0.049
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149CN949R

ID 0.188
OD 0.5
Thickness 0.049
Material 301/302/304 A AMS5901,5516,5513
Drawing REV 7
Quantity

NAS1149D0316H

ID 0.203
OD 0.438
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0316J

ID 0.203
OD 0.438
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0332H

ID 0.203
OD 0.438
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0332J

ID 0.203
OD 0.438
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0363H

ID 0.203
OD 0.438
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0363J

ID 0.203
OD 0.438
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0416H

ID 0.265
OD 0.5
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0416J

ID 0.265
OD 0.5
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0432H

ID 0.265
OD 0.5
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0432J

ID 0.265
OD 0.5
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0463H

ID 0.265
OD 0.5
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0463J

ID 0.265
OD 0.5
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0516H

ID 0.328
OD 0.562
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0516J

ID 0.328
OD 0.562
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0532H

ID 0.328
OD 0.562
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0532J

ID 0.328
OD 0.562
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0563H

ID 0.328
OD 0.562
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0563J

ID 0.328
OD 0.562
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0616H

ID 0.39
OD 0.625
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0616J

ID 0.39
OD 0.625
Thickness 0.016
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0632H

ID 0.39
OD 0.625
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0632J

ID 0.39
OD 0.625
Thickness 0.032
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0663H

ID 0.39
OD 0.625
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
Quantity

NAS1149D0663J

ID 0.39
OD 0.625
Thickness 0.063
Material 2024 T3 ALCLAD AMS QQ-A-250/5
Drawing REV 7
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.