National Item Identification Number
01-335-4361
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)
4E769
THE JORGENSEN FORGE CORPORATION
8531 E MARGINAL WAY S
SEATTLE
WA
98108
206-676-9237
4E769
THE JORGENSEN FORGE CORPORATION
8531 E MARGINAL WAY S
SEATTLE
WA
98108
206-676-9237
Reference Numbers (Part Numbers)
2.25X3.16X.06TK
901-WMEC-245-003 ITEM 55
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
NICKEL ALLOY 400 OVERALL
2.250 INCHES NOMINAL
1 ROUND
3.160 INCHES NOMINAL
1