National Item Identification Number
01-269-6284
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)
30003
92755
NORTHROP GRUMMAN SYSTEMS CORPORATION
DIV ES DEFENSIVE SYSTEMS DIVISION
1745A WEST NURSERY ROAD
LINTHICUM HEIGHTS
MD
21090
410-552-2455
1M813
ELECTROMECHANICAL SYSTEMS INC.
ELECTROMECHANICAL DIV
6200 - 118TH AVENUE NORTH
LARGO
FL
33773
727-541-6681
D9182
1YGB8
CAREY MANUFACTURING COMPANY INC
DBA AMATOM ELECTRONIC HARDWARE
5 PASCO HILL RD
CROMWELL
CT
06416
860-828-0847
05872
AERO PRODUCTS CO INC
21 N 8TH ST
BELLEVILLE
NJ
07109
973-759-0959
Reference Numbers (Part Numbers)
1065AS561
132-15-28
196701
200AS256
2199-T055
2199-T055
8431
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
0.055 INCHES MINIMUM AND
0.065 INCHES