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 6645-00-148-1798
NSN 6135-01-278-9717
NSN 6320-01-119-3935
NSN 5975-01-174-1714
NSN 7035-00-140-0474
NSN 5965-01-364-7275
NSN 5855-01-656-6808
NSN 6130-00-116-8170
NSN 5990-01-037-6531
NSN 5990-01-335-7948
NSN 6130-01-591-6903
NSN 5835-00-341-5441