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 6145-00-905-7255
NSN 5965-01-422-6815
NSN 5975-00-845-8372
NSN 6320-01-192-0332
NSN 4140-01-183-3172
NSN 6105-01-423-9451
NSN 5910-01-633-9963
NSN 7035-00-320-5644
NSN 5930-01-406-5243
NSN 6645-01-355-9102
NSN 6135-01-247-5660
NSN 5999-01-550-0122