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 5975-01-020-7131
NSN 5920-01-236-6780
NSN 6650-01-212-3964
NSN 6110-01-547-2771
NSN 5910-01-646-1648
NSN 5965-00-324-2428
NSN 5910-01-594-6577
NSN 5905-01-182-8159
NSN 5920-01-442-7685
NSN 5960-00-721-1744
NSN 5925-01-145-0074
NSN 5999-01-082-6386