National Item Identification Number
99-269-1406
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)
K7766
BRITISH STANDARDS INSTITUTION
389 CHISICK HIGH ROAD
LONDON
W4 4AL
UNITED KINGDOM
0208 996 9000
K7705
WFEL LIMITED
CROSSLEY ROAD
PO BOX 41
HEATON CHAPEL STOCKPORT
SK4 5BD
UNITED KINGDOM
0161 432 0281
K7705
WFEL LIMITED
CROSSLEY ROAD
PO BOX 41
HEATON CHAPEL STOCKPORT
SK4 5BD
UNITED KINGDOM
0161 432 0281
K7705
WFEL LIMITED
CROSSLEY ROAD
PO BOX 41
HEATON CHAPEL STOCKPORT
SK4 5BD
UNITED KINGDOM
0161 432 0281
Reference Numbers (Part Numbers)
BS3401 TABLE 3
G105/5901 ITEM 13
G105/5901/13
W7031512
Required Categories
Required Description