National Item Identification Number
01-137-7072
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)
28009
SYPRIS DATA SYSTEMS INC
DIV CENTENNIAL
7307 S REVERE PKWY 200
ENGLEWOOD
CO
80112
909-962-9494
1YGB8
CAREY MANUFACTURING COMPANY INC
DBA AMATOM ELECTRONIC HARDWARE
5 PASCO HILL RD
CROMWELL
CT
06416
860-828-0847
Reference Numbers (Part Numbers)
16737979-014
2259-N171
2259-N171
Required Categories
MATERIAL
HOLE DIAMETER
PERIPHERAL SHAPE STYLE
OVERALL DIAMETER
CENTER HOLE S
Required Description
PLASTIC POLYAMIDE OVERALL
0.171 INCHES MINIMUM AND
0.181 INCHES MAXIMUM
1 ROU