Fastener SuperStore will be closing early on Thusday 7/3 for the holiday weekend. Orders placed after 4pm CT will not ship until Monday 7/7/25.

Mil Spec Military Grade Washers

Mil-Spec Washers

Mil-Spec Washers are tested and certified to military standards. Standard part numbers are used to refer to all mil-spec parts. These numbers are searchable on site for all parts that Fastener SuperStore stocks. Manufacturer's certification is included on all Mil-Spec orders.

Showing 1-30 of 313 Results. Continue Filtering or Select a Part Below

Part No.Part DescriptionCarton QtyPrice
450724 NAS1149-CN016R / #0 Mil-Spec Flat Washers / 0.016 Thk / 18-8 Stainless Steel
DFAR Compliant 10,000 $291.40
450737 NAS1149-CN032R / #0 Mil-Spec Flat Washers / 0.032 Thk / 18-8 Stainless Steel
DFAR Compliant 10,000 $291.90
547941 NAS620-C0 / #0 Mil-Spec Flat Washers / 300 Series Stainless Steel
DFAR Compliant 10,000 $418.80
449161 AN960-C2 / #2 Mil-Spec Machine Screw Washers / 18-8 Stainless Steel
DFAR Compliant 5,000 $145.95
449196 AN960-C2L / #2 Mil-Spec Machine Screw Washers / 18-8 Stainless Steel
DFAR Compliant 5,000 $163.15
450747 NAS1149-CN216R / #2 Mil-Spec Flat Washers / 0.016 Thk / 18-8 Stainless Steel
DFAR Compliant 10,000 $325.50
550860 NAS620-C2 / #2 Mil-Spec Flat Washers / 300 Series Stainless Steel
DFAR Compliant 10,000 $369.10
435819 MS35338-134 / #2 Mil-Spec Split Lock Washers / 316 Stainless Steel
DFAR Compliant 10,000 $232.80
478383 MS35333-69 / #2 Mil-Spec Internal Tooth Lock Washers / 410 Stainless Steel
DFAR Compliant 5,000 $303.15
256513 AN960-2 / #2 Mil-Spec Machine Screw Washers / Steel / Cad Yellow
 5,000 $116.15
256522 AN960-2L / #2 Mil-Spec Machine Screw Washers / Steel / Cad Yellow
 5,000 $67.20
524822 MS35333-35 / #2 Mil-Spec Internal Tooth Lock Washers / Steel / Zinc Yellow
 10,000 $388.60
588298 MS35333-35CD / #2 Mil-Spec Internal Tooth Lock Washers / Steel / Cad Yellow
 10,000 $388.60
603952 NAS1149-FN232P / #2 Mil-Spec Flat Washers / 0.032 Thk / Steel / Cadmium Yellow
 5,000 $96.00
604053 NAS1149-FN216P / #2 Mil-Spec Flat Washers / 0.016 Thk / Steel / Cadmium Yellow
 5,000 $86.00
449171 AN960-C3 / #3 Mil-Spec Machine Screw Washers / 18-8 Stainless Steel
DFAR Compliant 5,000 $105.85
449203 AN960-C3L / #3 Mil-Spec Machine Screw Washers / 18-8 Stainless Steel
DFAR Compliant 5,000 $120.15
450768 NAS1149-CN316R / #3 Mil-Spec Flat Washers / 0.016 Thk / 18-8 Stainless Steel
DFAR Compliant 10,000 $322.50
450770 NAS1149-CN332R / #3 Mil-Spec Flat Washers / 0.032 Thk / 18-8 Stainless Steel
DFAR Compliant 10,000 $350.90
256539 AN960-3 / #3 Mil-Spec Machine Screw Washers / Steel / Cad Yellow
 5,000 $127.80
550870 NAS620-C3 / #3 Mil-Spec Flat Washers / 300 Series Stainless Steel
DFAR Compliant 10,000 $364.70
550948 NAS620-C3L / #3 Mil-Spec Light Flat Washers / 300 Series Stainless Steel
DFAR Compliant 10,000 $260.30
603968 NAS1149-FN332P / #3 Mil-Spec Flat Washers / 0.032 Thk / Steel / Cadmium Yellow
 5,000 $93.75
604064 NAS1149-FN316P / #3 Mil-Spec Flat Washers / 0.016 Thk / Steel / Cadmium Yellow
 5,000 $89.85
449218 AN960-C4L / #4 Mil-Spec Machine Screw Washers / 18-8 Stainless Steel
DFAR Compliant 5,000 $128.90
449301 AN960-C4 / #4 Mil-Spec Machine Screw Washers / 18-8 Stainless Steel
DFAR Compliant 5,000 $102.50
450783 NAS1149-CN416R / #4 Mil-Spec Flat Washers / 0.016 Thk / 18-8 Stainless Steel
DFAR Compliant 10,000 $414.30
450791 NAS1149-CN432R / #4 Mil-Spec Flat Washers / 0.032 Thk / 18-8 Stainless Steel
DFAR Compliant 10,000 $351.70
550886 NAS620-C4 / #4 Mil-Spec Flat Washers / 300 Series Stainless Steel
DFAR Compliant 10,000 $363.30
435829 MS35338-135 / #4 Mil-Spec Split Lock Washers / 316 Stainless Steel
DFAR Compliant 10,000 $228.10