National Item Identification Number
01-531-1405
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)
77445
83311
UNISON INDUSTRIES LLC
5345 STATE HIGHWAY 12
NORWICH
NY
13815
904-739-4131
Reference Numbers (Part Numbers)
ML4315304-01
154889
Required Categories
MATERIAL
III END ITEM IDENTIFICATION
SPEC/STD CONTROLLING DATA
MANUFACTURERS
Required Description
RUBBER OVERALL
F-119 ENGINES
77445
ML4315304-01