National Item Identification Number
00-081-2291
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)
01279
HAMILTON BELL CO INC
30 CRAIG RD
MONTVALE
NJ
07645
201-391-4100
17661
HAMILL MANUFACTURING CO
500 PLEASANT VALLEY RD
TRAFFORD
PA
15085
724-744-2131
Reference Numbers (Part Numbers)
A16468
A16468
B-16468
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
WOOL OVERALL
SAE F-3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
0.625 INCHES NO