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 5855-01-523-1177
NSN 6145-00-570-0516
NSN 5835-01-391-4556
NSN 6610-01-459-7535
NSN 5990-01-548-5979
NSN 5996-01-474-6834
NSN 2925-00-428-6349
NSN 6650-01-575-7254
NSN 5975-00-893-1324
NSN 6150-00-424-2955
NSN 7035-01-411-6062
NSN 6620-00-197-5130