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 6620-01-103-7508
NSN 7035-01-435-4009
NSN 6145-00-331-6814
NSN 5905-00-107-2568
NSN 6135-00-708-0892
NSN 5985-01-020-7894
NSN 5960-01-240-3266
NSN 6135-01-180-9611
NSN 6645-01-570-3215
NSN 5925-01-122-3842
NSN 5915-01-564-5560
NSN 6320-01-270-1419