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 6145-00-656-5329
NSN 5990-00-394-3987
NSN 6145-00-118-8375
NSN 6650-00-153-3155
NSN 6105-01-106-4157
NSN 6320-01-600-5808
NSN 6240-01-045-9269
NSN 5925-01-140-2773
NSN 6130-00-007-3787
NSN 4140-01-067-8242
NSN 6105-00-022-3333
NSN 5998-01-435-2306