National Item Identification Number
00-781-1369
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)
77445
77445
00088
ROYAL OAK GAGE INC
321 PARK DRIVE
TROY
MI
48083
248-585-5800
21128
JDMC ENTERPRISES
DBA HIGH SPEED MACHINE PRODUCTS
31 CHARTER OAK PL. 3
HARTFORD
CT
06106
860-985-1134
77445
Reference Numbers (Part Numbers)
403282 CLASS B
403282CLASB
403282CLB
403282CLB
403282CLB
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HARDNESS RATI
Required Description
STEEL OVERALL
AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PASSIVATE OVE