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 6650-00-629-8027
NSN 6320-01-064-0372
NSN 5910-00-402-1267
NSN 6320-01-436-0513
NSN 5920-01-582-3673
NSN 6320-01-388-1067
NSN 6130-00-859-0597
NSN 5910-01-040-6203
NSN 6150-01-591-1329
NSN 5930-01-608-5420
NSN 6685-01-358-7054
NSN 5985-01-329-3303