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 6220-01-050-8923
NSN 6320-01-162-5977
NSN 6610-01-221-9285
NSN 7035-00-166-0339
NSN 6610-01-328-8098
NSN 6685-00-964-7773
NSN 5985-00-952-3327
NSN 5935-00-580-1724
NSN 5960-01-276-7836
NSN 5950-01-268-1813
NSN 6105-00-813-2365
NSN 5925-01-117-8170