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 5998-01-094-1310
NSN 7035-00-238-3662
NSN 5975-01-025-9990
NSN 5945-01-083-8155
NSN 5855-01-381-6052
NSN 6610-00-338-7349
NSN 5945-00-195-4679
NSN 6685-00-925-2862
NSN 4140-01-548-8735
NSN 5960-01-464-1443
NSN 2925-00-301-0933
NSN 6620-01-377-0414