National Item Identification Number
00-871-3738
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)
80378
00088
ROYAL OAK GAGE INC
321 PARK DRIVE
TROY
MI
48083
248-585-5800
05812
HORST ENGINEERING & MANUFACTURING CO
36 CEDAR ST
EAST HARTFORD
CT
06108
860-289-8209
56055
PRECISION SPEED MFG LLC
422 TIMBER RIDGE ROAD
517
MIDDLETOWN
CT
06457
860-635-8811
77445
Reference Numbers (Part Numbers)
CVC754-636E21
577941
577941
577941
577941
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
PERIPHERAL SHAPE
Required Description
ALUMINUM ALLOY 1100 OVERALL
AMS 4001 ASSN STD SINGLE MATERIAL RESPONSE OVERALL;
