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 6685-01-661-0390
NSN 6320-00-857-4073
NSN 5930-01-072-8077
NSN 6110-01-576-9899
NSN 6145-01-615-3591
NSN 5925-00-081-9135
NSN 5930-01-185-4437
NSN 5998-01-043-4270
NSN 6650-01-093-1803
NSN 6135-01-377-5729
NSN 6650-00-272-2271
NSN 6320-00-456-0836