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 5998-01-068-2611
NSN 5920-01-382-5323
NSN 5895-00-952-0032
NSN 5975-01-432-8535
NSN 6135-01-277-3345
NSN 5985-01-455-5503
NSN 5855-01-545-0566
NSN 5990-01-460-6390
NSN 6685-00-291-1416
NSN 5985-01-363-1923
NSN 5930-01-326-3269
NSN 4140-01-512-8528