National Item Identification Number
01-384-2968
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)
59114
AMERICAN MECHANICAL & ELECTRONIC
SERVICE INC
9172 HIGHWAY 36 E
LACEYS SPRING
AL
35754
256-883-6880
29440
W. M. BERG INC
499 OCEAN AVE
EAST ROCKAWAY
NY
11518
516-596-1700
Reference Numbers (Part Numbers)
AMES-3108-E PC 42
SS2-44
Required Categories
HOLE DIAMETER
OVERALL DIAMETER
THICKNESS
Required Description
0.375 INCHES MINIMUM AND
0.380 INCHES MAXIMUM
0.557 INCHES MINIMUM AND
0.567
