National Item Identification Number
00-171-5750
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)
34623
80072
H20 TANK INC
U S MOTORS DIV
W 145 N 8344 HONEY LN
758
MENOMONEE FALLS
WI
53052
262-251-7724
95201
NAPCO INTERNATIONAL LLC
11055 EXCELSIOR BLVD
HOPKINS
MN
55343
952-931-2490
12204
19207
Reference Numbers (Part Numbers)
A1644
GAU31
GAU31
639085
674939
7412031
78-10212
78-10212A
7970C
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
WOOL COMP 9R2 OVERALL
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
0.812 INCH