Pricing & Availability
Product Definition Definition of approved item name (AIN): "Flat Washer"
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.
5310-00-005-0117 Spec. NSN part characteristics
Flat washer nsn 5970015058103. 2024 Aluminum alloy.
Identification Item Identification Guide (IIG) and Item Name Code (INC)
Special material and handling
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Import and Export
Schedule B Codes Definitions:
Pins, Washers and Similar Articles, Of Aluminum Cotters, Cotter
Finished Metal Shapes
Nails, Tacks, Staples (excluding Staples In Strips For Office Etc. Use), Screws, Bolts, Nuts, Rivets, Washers and Similar Articles, Of Aluminum
National motor freight and handling
Freight Codes Definitions:
No special type of cargo code applicable.
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.
Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Other or no special handling required (sh)