Home | MS51859 Washers - Mil-Spec Compliance for Defense Use

MS51859 Washers - Mil-Spec Compliance for Defense Use

MS51859 washers are military standard components manufactured to precise specifications for defense and aerospace fastener assemblies. Superior Washer & Gasket Corp produces MS51859 military washers from DFARS-qualified materials, supplying full material certifications and quality documentation for government procurement.

Our ISO 9001:2015 certified quality management system governs every mil-spec washer we produce, ensuring dimensional accuracy and material conformance. MS51859 military flat washers are manufactured in the U.S.A. and available in quantities from small orders to production volume.

  • MS51859 mil-spec washers per military standards
  • DFARS compliance with material certifications
  • ISO 9001:2015 certified production
  • Full traceability and documentation
  • Made in the U.S.A.

Filter products

Clear all

Showing 1–17 of 17 products

SKU ID OD Thickness Drawing Quantity

MS51859-1

ID 0.09
OD 0.183
Thickness 0.025
Drawing REV C
Quantity

MS51859-10

ID 0.521
OD 1.052
Thickness 0.04
Drawing REV C
Quantity

MS51859-11

ID 0.06
OD 0.183
Thickness 0.016
Drawing REV C
Quantity

MS51859-12

ID 0.073
OD 0.15
Thickness 0.016
Drawing REV C
Quantity

MS51859-13

ID 0.09
OD 0.245
Thickness 0.011
Drawing REV C
Quantity

MS51859-14

ID 0.115
OD 0.338
Thickness 0.025
Drawing REV C
Quantity

MS51859-17

ID 0.26
OD 0.55
Thickness 0.056
Drawing REV C
Quantity

MS51859-18

ID 0.26
OD 0.86
Thickness 0.025
Drawing REV C
Quantity

MS51859-2

ID 0.115
OD 0.275
Thickness 0.031
Drawing REV C
Quantity

MS51859-22

ID 0.521
OD 1.61
Thickness 0.015
Drawing REV C
Quantity

MS51859-3

ID 0.14
OD 0.305
Thickness 0.031
Drawing REV C
Quantity

MS51859-4

ID 0.17
OD 0.365
Thickness 0.031
Drawing REV C
Quantity

MS51859-5

ID 0.2
OD 0.425
Thickness 0.031
Drawing REV C
Quantity

MS51859-6

ID 0.26
OD 0.6
Thickness 0.04
Drawing REV C
Quantity

MS51859-7

ID 0.334
OD 0.678
Thickness 0.04
Drawing REV C
Quantity

MS51859-8

ID 0.396
OD 0.802
Thickness 0.04
Drawing REV C
Quantity

MS51859-9

ID 0.459
OD 0.912
Thickness 0.04
Drawing REV C
Quantity

MS51859 Military Washers Frequently Asked Questions

What are MS51859 washers?

MS51859 washers are mil-spec flat washers manufactured to Military Standard specification MS51859, used in military and aerospace fastening applications and produced to published MS standard dimensional tolerances and material requirements.

Are your MS51859 washers made in the USA with DFARS-compliant materials?

Yes. All MS51859 washers are manufactured in the United States under our ISO 9001:2015 certified Quality Management System, audited by DNV. MS51859 washers are made from non-metallic plastic materials including nylon and polyamide per MIL-M-20693. Non-metallic materials are not subject to DFARS specialty metal restrictions. Material certifications are available upon request.

MS51859 nylon washers are part of Superior Washer's complete lineup of military washers manufactured to MS, AN, and NAS standards for defense and aerospace applications.