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 5965-01-335-4304
NSN 5935-01-568-4439
NSN 5925-00-116-8706
NSN 5905-01-211-6643
NSN 4140-01-608-6001
NSN 6145-01-424-0354
NSN 5855-00-631-4565
NSN 5996-01-108-1697
NSN 5920-00-810-2713
NSN 5835-00-280-8494
NSN 6145-01-601-5040
NSN 5975-01-271-4010