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 6620-00-917-5259
NSN 5990-01-552-5386
NSN 5996-01-451-3591
NSN 5835-01-532-9373
NSN 5910-00-690-0253
NSN 6145-01-258-6101
NSN 6320-00-468-8421
NSN 6645-01-537-1066
NSN 6620-00-257-2783
NSN 5950-01-543-1854
NSN 5920-00-995-6079
NSN 5996-01-131-9353