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 5920-01-589-0876
NSN 4140-01-555-7788
NSN 5930-01-109-9342
NSN 6610-01-552-7958
NSN 6130-01-245-9226
NSN 5920-00-761-8062
NSN 5905-01-557-7961
NSN 5910-01-646-2920
NSN 7035-01-291-6468
NSN 5998-01-603-2449
NSN 5965-00-845-6325
NSN 5985-00-055-1053