National Item Identification Number
01-313-4122
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)
03040
POWER CONTROL DEVICES INC
DBA AMERICAN TIME PRODUCTS DIV
1510 E SPRUCE
OLATHE
KS
66061
913-829-1900
28726
BULOVA TECHNOLOGIES LLC
DBA ENVIRONMENTAL SYSTEMS & SVCS
101 N QUEEN ST
LANCASTER
PA
17603
717-299-2581
Reference Numbers (Part Numbers)
KA73407
KA73407
Required Categories
Required Description