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 851–900 of 1,345 products

SKU ID OD Thickness Material Drawing Quantity

MS9321-13

ID 0.463
OD 0.875
Thickness 0.094
Material
Drawing AS9321 REV A
Quantity

MS9321-14

ID 0.526
OD 1.0
Thickness 0.109
Material
Drawing AS9321 REV A
Quantity

MS9321-15

ID 0.588
OD 1.125
Thickness 0.125
Material
Drawing AS9321 REV A
Quantity

MS9321-16

ID 0.651
OD 1.25
Thickness 0.141
Material
Drawing AS9321 REV A
Quantity

MS9321-17

ID 0.776
OD 1.5
Thickness 0.172
Material
Drawing AS9321 REV A
Quantity

MS9321-18

ID 0.901
OD 1.75
Thickness 0.203
Material
Drawing AS9321 REV A
Quantity

MS9321-19

ID 1.026
OD 2.0
Thickness 0.234
Material
Drawing AS9321 REV A
Quantity

MS9549-04

ID 0.119
OD 0.25
Thickness 0.014
Material
Drawing AS9549 REV A
Quantity

MS9549-05

ID 0.135
OD 0.312
Thickness 0.014
Material
Drawing AS9549 REV A
Quantity

MS9549-06

ID 0.15
OD 0.312
Thickness 0.014
Material
Drawing AS9549 REV A
Quantity

MS9549-07

ID 0.159
OD 0.375
Thickness 0.014
Material
Drawing AS9549 REV A
Quantity

MS9549-08

ID 0.184
OD 0.375
Thickness 0.014
Material
Drawing AS9549 REV A
Quantity

MS9549-09

ID 0.213
OD 0.438
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-10

ID 0.276
OD 0.5
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-11

ID 0.338
OD 0.562
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-12

ID 0.401
OD 0.625
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-13

ID 0.463
OD 0.75
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-14

ID 0.526
OD 0.812
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-15

ID 0.588
OD 0.938
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-16

ID 0.651
OD 1.0
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-17

ID 0.776
OD 1.188
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-18

ID 0.901
OD 1.375
Thickness 0.028
Material
Drawing AS9549 REV A
Quantity

MS9549-19

ID 1.026
OD 1.562
Thickness 0.028
Material
Drawing AS9549 REV A
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

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.