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 6135-00-715-4001
NSN 5930-00-448-0395
NSN 6145-00-230-5268
NSN 5855-01-656-6808
NSN 5998-01-283-7064
NSN 5960-01-522-0391
NSN 6650-01-327-3068
NSN 6620-00-767-4377
NSN 6685-01-467-2493
NSN 5910-01-261-6749
NSN 6620-01-362-5432
NSN 6685-01-100-3012