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 5930-01-583-0494
NSN 6135-01-586-5018
NSN 6320-01-281-6028
NSN 5925-00-954-7842
NSN 5965-01-576-9859
NSN 6645-01-381-2050
NSN 5915-01-416-1528
NSN 6110-01-101-2918
NSN 7035-00-117-0418
NSN 6320-00-174-1362
NSN 5920-00-598-0469
NSN 6110-01-029-3403