National Item Identification Number
01-309-0325
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)
26512
09922
SOURIAU USA INC
DBA FOREIGN PARENT IS SOURIAU PARIS
25 GRUMBACHER ROAD
YORK
PA
17402
717-767-7901
1NJK8
FCI USA INC
FCI ELECTRICAL DIV
47 E INDUSTRIAL PARK DR
MANCHESTER
NH
03109
603-647-5000
Reference Numbers (Part Numbers)
GW502CB25
25FW
25FW
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
COPPER ALLOY OVERALL
0.255 INCHES MINIMUM AND
0.275 INCHES MAXIMUM
1 ROUND
0