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 6240-01-415-3014
NSN 5920-01-206-3977
NSN 5945-01-558-4322
NSN 5855-00-928-1912
NSN 5920-00-814-2328
NSN 5965-01-118-1416
NSN 6645-00-557-0322
NSN 5895-01-616-9593
NSN 5945-00-957-0738
NSN 6685-00-522-7340
NSN 6620-00-905-6590
NSN 6685-01-134-3001