Home | MS9321 Washers - Military Standard Specification

MS9321 Washers - Military Standard Specification

MS9321 washers are military standard components used in demanding aerospace and defense applications. Superior Washer & Gasket Corp supplies MS9321 military grade washers from DFARS-compliant materials with complete material certifications and quality records for government procurement.

As an ISO 9001:2015 certified mil-spec washer manufacturer, we maintain rigorous quality controls and provide full traceability for all military washers. MS9321 washers are manufactured in the U.S.A. and available with fast delivery for standard and custom quantities.

  • MS9321 mil-spec washers per military standards
  • DFARS compliance and certifications
  • ISO 9001:2015 certified quality assurance
  • Complete documentation for regulated procurement
  • Made in the U.S.A.

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Showing 1–16 of 16 products

SKU ID OD Thickness Drawing Quantity

MS9321-04

ID 0.119
OD 0.25
Thickness 0.031
Drawing AS9321 REV A
Quantity

MS9321-05

ID 0.135
OD 0.312
Thickness 0.031
Drawing AS9321 REV A
Quantity

MS9321-06

ID 0.15
OD 0.312
Thickness 0.043
Drawing AS9321 REV A
Quantity

MS9321-07

ID 0.159
OD 0.375
Thickness 0.043
Drawing AS9321 REV A
Quantity

MS9321-08

ID 0.184
OD 0.375
Thickness 0.05
Drawing AS9321 REV A
Quantity

MS9321-09

ID 0.213
OD 0.438
Thickness 0.062
Drawing AS9321 REV A
Quantity

MS9321-10

ID 0.276
OD 0.5
Thickness 0.062
Drawing AS9321 REV A
Quantity

MS9321-11

ID 0.338
OD 0.625
Thickness 0.062
Drawing AS9321 REV A
Quantity

MS9321-12

ID 0.401
OD 0.75
Thickness 0.078
Drawing AS9321 REV A
Quantity

MS9321-13

ID 0.463
OD 0.875
Thickness 0.094
Drawing AS9321 REV A
Quantity

MS9321-14

ID 0.526
OD 1.0
Thickness 0.109
Drawing AS9321 REV A
Quantity

MS9321-15

ID 0.588
OD 1.125
Thickness 0.125
Drawing AS9321 REV A
Quantity

MS9321-16

ID 0.651
OD 1.25
Thickness 0.141
Drawing AS9321 REV A
Quantity

MS9321-17

ID 0.776
OD 1.5
Thickness 0.172
Drawing AS9321 REV A
Quantity

MS9321-18

ID 0.901
OD 1.75
Thickness 0.203
Drawing AS9321 REV A
Quantity

MS9321-19

ID 1.026
OD 2.0
Thickness 0.234
Drawing AS9321 REV A
Quantity

MS9321 Military Washers Frequently Asked Questions

What are MS9321 washers?

MS9321 washers are mil-spec flat washers manufactured to Military Standard specification MS9321, currently governed by drawing AS9321 REV A. They are used in military and aerospace applications and produced to meet the AS/MS9321 dimensional tolerances and material requirements.

What drawing governs MS9321 washers?

MS9321 washers are manufactured to AS9321 REV A, the current governing document for this specification.

Are your MS9321 washers made in the USA with DFARS-compliant materials?

Yes. All MS9321 washers are manufactured in the United States under our ISO 9001:2015 certified Quality Management System, audited by DNV. MS9321 washers are made from 321 stainless steel (AMS 5510), which is a DFARS specialty metal. All stainless steel used in our MS9321 washers is sourced from the United States or qualifying countries in compliance with DFARS requirements. Material certifications and DFARS compliance documentation are available upon request.

MS9321 stainless steel washers are available alongside Superior Washer's complete range of custom mil-spec washers manufactured to MS, AN, and NAS standards for defense and aerospace procurement.