National Item Identification Number
00-297-6074
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)
96101
THE GAS EQUIPMENT ENGINEERING
CORPORATION
1240 ORONOQUE RD
MILFORD
CT
06460
203-874-6786
88181
MOORE CO INC
800 S MISSOURI AVE
MARCELINE
MO
64658
660-376-3568
81336
CHIEF OF ENGINEERS
DEPT OF ARMY
NONE
WASHINGTON
DC
20314
Reference Numbers (Part Numbers)
3-8-1F2
4
5493-8-1F2
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
RUBBER SYNTHETIC OVERALL
0.375 INCHES NOMINAL
1 ROUND
0.750 INCHES NOMINAL
1
