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 5910-01-632-4132
NSN 2925-01-104-8163
NSN 6135-00-297-8873
NSN 6240-01-147-0379
NSN 6610-01-546-3879
NSN 5945-01-098-2150
NSN 5999-01-529-0977
NSN 5925-01-149-9360
NSN 5996-01-641-5296
NSN 6320-01-202-8761
NSN 6130-01-196-4545
NSN 6220-00-541-8515