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 6320-01-446-6775
NSN 5930-01-491-8113
NSN 5895-01-470-4519
NSN 6135-00-880-1026
NSN 6320-01-097-5347
NSN 6145-00-156-4394
NSN 5910-00-438-6442
NSN 5895-01-378-8686
NSN 2925-01-236-0015
NSN 5975-01-426-3279
NSN 4140-01-504-9512
NSN 6685-01-360-4548