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 5935-01-065-5526
NSN 6650-01-454-0684
NSN 5915-00-528-9286
NSN 5950-01-005-0111
NSN 5905-00-706-8011
NSN 5855-00-832-9341
NSN 6620-01-417-8110
NSN 6145-00-989-4060
NSN 6650-01-513-2644
NSN 5905-01-332-8493
NSN 2925-01-464-1485
NSN 6135-01-435-8451