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 5999-01-268-6411
NSN 5990-01-054-4255
NSN 5996-01-184-9442
NSN 2925-00-710-6161
NSN 6135-01-056-4609
NSN 5855-01-059-2710
NSN 6150-01-031-9740
NSN 5920-01-400-0791
NSN 5910-00-071-5682
NSN 6645-00-971-2023
NSN 5855-01-199-2046
NSN 6320-01-039-5891