National Item Identification Number
00-599-3328
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)
31361
66503
24617
55380
HATCH & KIRK INC
5111 LEARY AVE NW
SEATTLE
WA
98107
206-789-9462
72915
GENERAL MOTORS CORP
ELECTRO-MOTIVE DIV
9301 W 55TH ST
430
LA GRANGE
IL
60525
708-387-6000
27847
UNICONTROL INC
HAYS CLEVELAND DIV
1111 BROOKPARK RD
CLEVELAND
OH
44109
216-398-4414
Reference Numbers (Part Numbers)
186059
186059
3279536
3279536
3279536
535-6
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
RUBBER SYNTHETIC OVERALL
0.250 INCHES NOMINAL
1 ROUND
0.375 INCHES NOMINAL
1