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 6320-01-084-8821
NSN 6220-01-076-4383
NSN 5945-00-080-7312
NSN 4140-01-459-7411
NSN 5965-00-543-1837
NSN 6145-01-576-9609
NSN 6685-00-792-7762
NSN 5925-01-055-2033
NSN 5990-01-408-6142
NSN 6220-01-631-5057
NSN 6320-01-466-4175
NSN 5998-01-279-8076