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 5915-01-468-2069
NSN 5905-01-556-7937
NSN 5910-01-403-2812
NSN 6645-00-895-1515
NSN 5910-01-352-1053
NSN 5895-01-323-6413
NSN 5960-00-848-1900
NSN 5998-01-042-8794
NSN 6135-01-359-4293
NSN 6685-01-229-0866
NSN 2925-01-474-3363
NSN 6650-01-444-1229