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 6645-01-168-8465
NSN 6650-01-167-1311
NSN 5905-00-838-1268
NSN 6620-00-064-7992
NSN 6320-01-019-1028
NSN 6645-01-340-7354
NSN 5935-01-100-2081
NSN 6650-01-081-0069
NSN 5910-01-126-5018
NSN 6150-01-062-0853
NSN 5996-00-738-7841
NSN 5996-01-277-6715