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 251–290 of 290 products

SKU	ID	OD	Thickness	Material	Drawing	Quantity
NAS1149F2116P	ID 1.328	OD 2.062	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2132P	ID 1.328	OD 2.062	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2190P	ID 1.328	OD 2.062	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2216P	ID 1.39	OD 2.125	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2232P	ID 1.39	OD 2.125	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2290P	ID 1.39	OD 2.125	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2416P	ID 1.515	OD 2.25	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2432P	ID 1.515	OD 2.25	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2490P	ID 1.515	OD 2.25	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2616P	ID 1.64	OD 2.375	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2632P	ID 1.64	OD 2.375	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F2690P	ID 1.64	OD 2.375	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F3016P	ID 1.89	OD 2.625	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F3032P	ID 1.89	OD 2.625	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F3090P	ID 1.89	OD 2.625	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F3616P	ID 2.265	OD 3.0	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F3632P	ID 2.265	OD 3.0	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F3690P	ID 2.265	OD 3.0	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F4032P	ID 2.515	OD 3.25	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149F4090P	ID 2.515	OD 3.25	Thickness 0.09	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN016P	ID 0.068	OD 0.188	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN032P	ID 0.068	OD 0.188	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN216P	ID 0.099	OD 0.25	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN232P	ID 0.099	OD 0.25	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN316P	ID 0.105	OD 0.25	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN332P	ID 0.105	OD 0.25	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN416B	ID 0.125	OD 0.312	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN416P	ID 0.125	OD 0.312	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN432P	ID 0.125	OD 0.312	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN516P	ID 0.14	OD 0.438	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN532P	ID 0.14	OD 0.438	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN542P	ID 0.14	OD 0.438	Thickness 0.042	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN616B	ID 0.149	OD 0.375	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN616P	ID 0.149	OD 0.375	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN632B	ID 0.149	OD 0.375	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN632P	ID 0.149	OD 0.375	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN816P	ID 0.174	OD 0.375	Thickness 0.016	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN832B	ID 0.174	OD 0.375	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN832P	ID 0.174	OD 0.375	Thickness 0.032	Material 1020 STEEL AMS5046	Drawing REV 7	Quantity
NAS1149FN949P	ID 0.188	OD 0.5	Thickness 0.049	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