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 6320-01-006-6138
NSN 5965-01-550-6442
NSN 4140-01-485-7625
NSN 6220-00-573-7385
NSN 7035-01-633-9537
NSN 5895-00-283-4417
NSN 6320-01-530-0588
NSN 6110-00-740-5750
NSN 6645-00-103-2517
NSN 5915-01-226-5880
NSN 5975-00-794-9413
NSN 6610-00-680-8325