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 4140-01-263-9065
NSN 6650-01-166-1914
NSN 5925-01-428-4206
NSN 5945-01-472-2099
NSN 5910-01-139-5367
NSN 6320-01-198-4024
NSN 6645-00-119-6221
NSN 6650-01-411-3904
NSN 6220-00-300-5412
NSN 6110-00-042-8365
NSN 4140-01-564-2258
NSN 5950-01-438-2173