National Item Identification Number
00-737-3353
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)
80210
AVCO CORP
40 WESTMINSTER ST
PROVIDENCE
RI
02903
401-421-2800
95019
DANA CORP
SPICER TRANSMISSION DIV
5428 N NATIONAL DR
KNOXVILLE
TN
37914
19207
Reference Numbers (Part Numbers)
R21210
W300119
19W
403B1
7373353
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
STEEL COMP 1010 OVERALL
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
0.323 IN
