A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5950-01-641-9458
NSN 7035-00-335-7283
NSN 6610-01-381-0652
NSN 5975-01-304-7130
NSN 5985-00-974-5834
NSN 5920-01-644-0181
NSN 5835-01-446-6065
NSN 6220-00-292-3917
NSN 5998-00-532-9471
NSN 6135-01-366-9633
NSN 7035-01-045-7202
NSN 5925-00-824-9649