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 5855-01-254-3041
NSN 6220-01-566-3731
NSN 5975-00-083-1433
NSN 6145-01-555-1347
NSN 6645-00-896-9430
NSN 5965-00-594-3115
NSN 5945-00-470-7446
NSN 4140-00-630-2153
NSN 7035-01-331-5614
NSN 6320-00-336-9123
NSN 6240-01-350-3533
NSN 2925-01-156-4335