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 5895-00-970-4128
NSN 4140-00-198-4961
NSN 6685-01-190-5458
NSN 5975-01-602-9402
NSN 6685-01-473-3609
NSN 6150-01-017-3132
NSN 6130-01-415-0590
NSN 5998-00-283-2587
NSN 5965-01-487-4479
NSN 2925-00-183-4390
NSN 6620-00-947-3889
NSN 6650-00-922-7075