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 6135-00-577-8429
NSN 5996-01-292-5285
NSN 6620-00-038-5343
NSN 4140-01-280-5364
NSN 6650-01-278-6645
NSN 7035-00-020-2227
NSN 5925-01-315-6349
NSN 2925-01-443-5929
NSN 5998-01-378-9804
NSN 5975-00-034-1303
NSN 5965-00-954-3011
NSN 5950-01-215-6942