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 5975-01-152-2635
NSN 5960-00-923-5047
NSN 6610-01-655-9975
NSN 4140-01-147-4764
NSN 5999-01-379-1194
NSN 7035-00-860-3072
NSN 6320-01-359-3921
NSN 6150-00-165-2865
NSN 6130-01-364-3213
NSN 5925-01-514-2790
NSN 6220-01-591-4337
NSN 5999-01-504-1579