National Item Identification Number
00-542-0940
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)
83616
QUADRANT EPP USA INC.
DBA QUADRANT ENGRG PLASTIC PDTS
2120 FAIRMONT AVE
READING
PA
19605
610-320-6853
3B150
49956
94144
53711
53711
18876
Reference Numbers (Part Numbers)
W2A
236-1114P1
236-1114P1
236-1114P1
2448597-2
57A5A191-13
57A5A191-13
90
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
PLASTIC POLYAMIDE OVERALL
0.125 INCHES NOMINAL
1 ROUND
0.250 INCHES NOMINAL;