NAS1149 Washers - Mil-Spec Aerospace Flat Washers

NAS1149 washers are widely specified military and aerospace washers designed to provide even load distribution and protect fastener bearing surfaces in demanding military applications. Superior Washer & Gasket Corp manufactures NAS1149 washers from DFARS-compliant materials with full material certifications and traceability for defense and aerospace procurement.

As an ISO 9001:2015 certified manufacturer, we produce NAS1149 military flat washers with precise dimensional control to meet National Aerospace Standard requirements. Our domestic manufacturing ensures Buy American and DFARS compliance, with documentation to support regulated procurement. All products are made in the U.S.A.

NAS1149 washers per National Aerospace Standards
DFARS-compliant materials with certifications
ISO 9001:2015 certified quality management
Complete documentation for aerospace and defense
Made in the U.S.A.

Showing 201–250 of 290 products

SKU	ID	OD	Thickness	Material	Drawing	Quantity
NAS1149F0332B	ID 0.203	OD 0.438	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0332P	ID 0.203	OD 0.438	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0363P	ID 0.203	OD 0.438	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0416P	ID 0.265	OD 0.5	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0432B	ID 0.265	OD 0.5	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0432P	ID 0.265	OD 0.5	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0463B	ID 0.265	OD 0.5	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0463P	ID 0.265	OD 0.5	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0516P	ID 0.328	OD 0.562	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0532P	ID 0.328	OD 0.562	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0563B	ID 0.328	OD 0.562	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0563P	ID 0.328	OD 0.562	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0616P	ID 0.39	OD 0.625	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0632B	ID 0.39	OD 0.625	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0632P	ID 0.39	OD 0.625	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0663B	ID 0.39	OD 0.625	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0663P	ID 0.39	OD 0.625	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0716P	ID 0.453	OD 0.75	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0732P	ID 0.453	OD 0.75	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0763P	ID 0.453	OD 0.75	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0816P	ID 0.515	OD 0.875	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0832P	ID 0.515	OD 0.875	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0863B	ID 0.515	OD 0.875	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0863P	ID 0.515	OD 0.875	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0916P	ID 0.578	OD 1.062	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0932P	ID 0.578	OD 1.062	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0963B	ID 0.578	OD 1.062	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F0963P	ID 0.578	OD 1.062	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1016P	ID 0.64	OD 1.188	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1032P	ID 0.64	OD 1.188	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1063P	ID 0.64	OD 1.188	Thickness 0.063	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1165P	ID 0.234	OD 0.625	Thickness 0.065	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1216P	ID 0.765	OD 1.312	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1232P	ID 0.765	OD 1.312	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1290P	ID 0.765	OD 1.312	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1416P	ID 0.89	OD 1.5	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1432P	ID 0.89	OD 1.5	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1490P	ID 0.89	OD 1.5	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1616P	ID 1.015	OD 1.75	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1632P	ID 1.015	OD 1.75	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1690P	ID 1.015	OD 1.75	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1716P	ID 1.078	OD 1.812	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1732P	ID 1.078	OD 1.812	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1790P	ID 1.078	OD 1.812	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1832P	ID 1.14	OD 1.875	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1890P	ID 1.14	OD 1.875	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F1932P	ID 1.14	OD 1.875	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2016P	ID 1.265	OD 2.0	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2032P	ID 1.265	OD 2.0	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2090P	ID 1.265	OD 2.0	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity

NAS1149 Military Washers Frequently Asked Questions

What are NAS1149 washers?

NAS1149 washers are mil-spec flat washers manufactured to National Aerospace Standard (NAS) specification NAS1149. They are among the most widely used aerospace standard washers, designed to provide even load distribution and protect fastener bearing surfaces in demanding military and aerospace applications.

What materials are NAS1149 washers available in?

NAS1149 washers are available in a wide range of materials including steel, stainless steel, aluminum, brass, copper, and monel. The material and dimensions are encoded in the full part number.

What drawing revision are your NAS1149 washers manufactured to?

Superior Washer NAS1149 washers are manufactured to REV 7 of the NAS1149 National Aerospace Standard specification.

Are your NAS1149 washers made in the USA with DFARS-compliant materials?

Yes. All NAS1149 washers are manufactured in the United States under our ISO 9001:2015 certified Quality Management System, audited by DNV. NAS1149 washers are available in multiple materials with different DFARS implications. Carbon steel, aluminum, brass, and copper variants are exempt from DFARS specialty metal restrictions. Stainless steel and monel variants are DFARS specialty metals and are sourced from the United States or qualifying countries in compliance with DFARS requirements. Material certifications and DFARS compliance documentation are available upon request.

NAS1149 washers are part of Superior Washer's extensive catalog of military flat washers manufactured to NAS, MS, and AN standards for defense and aerospace procurement.

NAS1149 Washers - Mil-Spec Aerospace Flat Washers