National Item Identification Number
01-271-3294
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)
78471
TILLEY MFG CO INC
2734 SPRING ST
5766
REDWOOD CITY
CA
94063
650-365-3598
86928
SEASTROM MANUFACTURING CO.
456 SEASTROM ST
TWIN FALLS
ID
83301
208-737-4300
74921
ITEN INDUSTRIES
4001 BENEFIT AVE
2150
ASHTABULA
OH
44005
440-997-6134
80009
Reference Numbers (Part Numbers)
FIBER 0.25ODX0.14IDX0.031THK
FIBER 0.25ODX0.14IDX0.031THK
FIBER, RED, VULCANIZ
Required Categories
MATERIAL
COLOR
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER
Required Description
FIBER OVERALL
RED OVERALL
0.140 INCHES NOMINAL
1 ROUND
0.250 INCHES NOMINAL;