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 5960-01-560-8461
NSN 6620-01-261-2985
NSN 5999-00-887-0196
NSN 5855-01-003-7102
NSN 6620-01-369-5876
NSN 5905-00-824-2378
NSN 5925-01-311-9164
NSN 6130-01-382-8000
NSN 5925-01-350-4295
NSN 6685-01-023-8731
NSN 5990-00-679-6157
NSN 6320-01-569-2672