National Item Identification Number
01-023-7321
010237321
3930-01-023-7321
3930010237321
National Stock Number
Item Name
RING,WIPER
Federal Supply Class
3930
Description
A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes PACKING, PREFORMED; RING, PISTON; and SEAL RING, METAL.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
A2197
Required Categories
MATERIAL
RING STYLE
INSIDE DIAMETER
MATERIAL THICKNESS
OUTER EDGE THICKNESS
Required Description
RUBBER NATURAL OVERALL
7 CONCENTRIC
3.375 INCHES NOMINAL
0.188 INCHES NOMINAL