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 6320-01-160-7757
NSN 5975-01-355-7387
NSN 5998-01-058-4425
NSN 5910-00-113-5562
NSN 5920-00-405-1363
NSN 4140-01-379-0247
NSN 6620-01-279-4353
NSN 7035-01-512-2453
NSN 5910-01-139-9962
NSN 5950-01-471-8138
NSN 5950-00-264-5646
NSN 5998-01-257-8385