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 5895-01-027-2887
NSN 6240-00-157-1705
NSN 6135-00-938-1351
NSN 5905-00-961-8477
NSN 5905-01-425-7766
NSN 5895-00-659-8434
NSN 5925-00-576-8179
NSN 6645-01-021-5727
NSN 5935-00-118-8409
NSN 6685-00-714-3585
NSN 6650-00-005-8572
NSN 5920-01-049-1275