Home | NAS1587 Washers - Mil-Spec Aerospace Standard Washers

NAS1587 Washers - Mil-Spec Aerospace Standard Washers

NAS1587 washers are military and aerospace grade washers produced to National Aerospace Standard specifications. Superior Washer & Gasket Corp manufactures NAS1587 washers from DFARS-qualified materials with complete material certifications and quality documentation for aerospace and defense procurement.

Our ISO 9001:2015 certified quality management system ensures dimensional accuracy and material conformance in every NAS-spec washer we produce. NAS1587 washers are made in the U.S.A. with full traceability and available in standard and custom quantities.

  • NAS1587 washers to National Aerospace Standards
  • DFARS compliance and certifications
  • ISO 9001:2015 certified manufacturing
  • Complete quality documentation
  • Made in the U.S.A.

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Showing 1–23 of 23 products

SKU ID OD Thickness Drawing Quantity

NAS1587-10

ID 0.631
OD 1.062
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-10L

ID 0.631
OD 1.062
Thickness 0.032
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-12

ID 0.757
OD 1.25
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-12L

ID 0.884
OD 1.437
Thickness 0.032
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-14

ID 0.884
OD 1.437
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-16

ID 1.01
OD 1.625
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-18

ID 1.135
OD 1.875
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-20

ID 1.26
OD 2.125
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-3

ID 0.192
OD 0.469
Thickness 0.032
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-3L

ID 0.192
OD 0.469
Thickness 0.016
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-4

ID 0.252
OD 0.531
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-4C

ID 0.0
OD 0.0
Thickness 0.0
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-4L

ID 0.252
OD 0.531
Thickness 0.032
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-5

ID 0.315
OD 0.593
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-5L

ID 0.315
OD 0.593
Thickness 0.032
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-6

ID 0.378
OD 0.687
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-6L

ID 0.378
OD 0.687
Thickness 0.031
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-7

ID 0.441
OD 0.781
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-8

ID 0.504
OD 0.875
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-8L

ID 0.504
OD 0.875
Thickness 0.031
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-9

ID 0.568
OD 0.968
Thickness 0.062
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-9C

ID 0.568
OD 0.968
Thickness 0.078
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587-9L

ID 0.568
OD 0.968
Thickness 0.032
Drawing REV 5 STAMPED W/PN
Quantity

NAS1587 Military Washers Frequently Asked Questions

What are NAS1587 washers?

NAS1587 washers are mil-spec flat washers manufactured to National Aerospace Standard (NAS) specification NAS1587, used in military and aerospace fastening applications per the dimensional tolerances and material requirements of the NAS1587 standard.

What drawing revision are your NAS1587 washers manufactured to?

Superior Washer NAS1587 washers are manufactured to REV 3 of the NAS1587 National Aerospace Standard specification.

Are your NAS1587 washers made in the USA with DFARS-compliant materials?

Yes. All NAS1587 washers are manufactured in the United States under our ISO 9001:2015 certified Quality Management System, audited by DNV. NAS1587 washers are made from 321 and 347 stainless steel, both of which are DFARS specialty metals. All stainless steel used in our NAS1587 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.

NAS1587 stainless steel washers are part of Superior Washer's complete inventory of custom mil-spec washers manufactured to NAS, MS, and AN standards for defense and aerospace procurement.