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 7035-01-012-5807
NSN 5935-00-739-5919
NSN 6645-00-620-4908
NSN 5925-01-021-5365
NSN 6320-00-004-9158
NSN 5835-00-143-4153
NSN 5895-00-740-1816
NSN 2925-00-033-4621
NSN 5930-01-078-6835
NSN 5990-01-612-5323
NSN 6135-01-606-8244
NSN 6220-01-295-2022