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 5996-01-275-9251
NSN 6135-00-715-4001
NSN 5960-01-407-1350
NSN 6150-01-080-0090
NSN 5920-00-269-6178
NSN 5975-01-344-8467
NSN 5855-00-762-4833
NSN 6320-01-476-0686
NSN 6150-01-421-5977
NSN 5925-00-274-0130
NSN 5960-01-437-3313
NSN 6650-00-153-3155