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 6645-01-399-1626
NSN 5915-01-595-7283
NSN 7035-00-104-7613
NSN 2925-01-453-1606
NSN 6645-00-908-0140
NSN 5930-01-217-8404
NSN 6620-01-227-7219
NSN 5910-01-657-6523
NSN 6220-01-121-7391
NSN 6685-00-203-4485
NSN 5935-00-566-6195
NSN 5855-01-558-5844