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 5975-01-557-8639
NSN 6220-01-364-8666
NSN 5935-01-377-7635
NSN 6650-00-161-4122
NSN 5950-01-304-5931
NSN 5835-01-219-0586
NSN 7035-01-574-2532
NSN 5920-01-011-9378
NSN 5895-01-076-8069
NSN 5990-01-392-5682
NSN 7035-00-421-0468
NSN 4140-00-561-9218