National Item Identification Number
01-286-9159
National Stock Number
Item Name
WASHER,FLAT
Federal Supply Class
5310
Description
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.
Commercial and Government Entity Code (Supplier Data)
92215
66776
ALCOA GLOBAL FASTENERS INC.
DBA ALCOA FASTENING SYSTEMS DIV
800 S. STATE COLLEGE BLVD.
FULLERTON
CA
92831
805-991-1270
83324
Reference Numbers (Part Numbers)
MC185A6B
VSF1015A6SP/2438
VSF1015A6SP/2438
Required Categories
Required Description