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 6645-00-664-4665
NSN 6110-01-620-6244
NSN 5996-01-421-4417
NSN 6145-00-071-1927
NSN 5930-00-779-5630
NSN 5998-00-402-3992
NSN 5855-01-406-4821
NSN 6610-01-156-0810
NSN 6685-00-543-1409
NSN 6145-01-473-8805
NSN 6135-01-610-2098
NSN 6650-01-441-3624