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 7035-01-013-9889
NSN 5975-00-923-0698
NSN 6320-01-384-3850
NSN 7035-01-658-1623
NSN 5996-01-227-2555
NSN 6145-01-487-5171
NSN 6135-01-168-2944
NSN 6610-01-344-0972
NSN 5999-01-281-1673
NSN 6220-00-269-4556
NSN 5996-01-367-6557
NSN 4140-01-373-4524