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 7035-00-490-0485
NSN 5965-00-539-7778
NSN 6320-01-143-3597
NSN 5999-01-253-2585
NSN 6135-00-686-4777
NSN 6620-01-441-0240
NSN 5960-01-294-2397
NSN 5935-01-508-5569
NSN 5935-01-322-9503
NSN 4140-01-131-3124
NSN 6685-00-981-0969
NSN 5999-01-039-6374