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 6650-00-431-6000
NSN 6240-01-084-3952
NSN 6110-01-108-2160
NSN 6240-00-104-4662
NSN 5975-01-502-5503
NSN 6220-00-366-1670
NSN 6145-01-388-2030
NSN 2925-00-315-8442
NSN 5965-00-170-5254
NSN 5920-00-057-5934
NSN 6110-01-228-2892
NSN 5990-00-952-0696