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 5975-01-167-8598
NSN 6620-00-391-0374
NSN 5996-01-522-7150
NSN 5975-00-293-8166
NSN 6145-01-179-5389
NSN 5895-01-381-6440
NSN 5855-01-464-3152
NSN 6145-00-076-9324
NSN 5960-01-119-4609
NSN 5990-00-226-1152
NSN 6135-00-603-4859
NSN 5905-01-102-1702