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 6145-01-299-0432
NSN 5975-01-555-8413
NSN 5915-00-715-0099
NSN 5855-00-782-7714
NSN 6145-01-331-7176
NSN 5999-00-007-4423
NSN 5945-01-099-5155
NSN 6685-01-556-3449
NSN 4140-00-592-3318
NSN 6320-01-117-5516
NSN 6135-01-061-1862
NSN 6220-01-376-5920