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 6650-01-463-8405
NSN 5915-01-492-5333
NSN 5990-01-550-7827
NSN 6105-00-148-0851
NSN 6150-00-213-8189
NSN 5975-00-719-9793
NSN 5895-01-386-4680
NSN 5930-00-961-0962
NSN 5915-01-136-2354
NSN 5895-01-331-5602
NSN 5905-01-309-4768
NSN 6650-00-023-5054