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 5920-01-614-2155
NSN 2925-00-580-4931
NSN 6645-01-465-1318
NSN 5855-01-520-8747
NSN 6240-01-312-5282
NSN 6145-01-349-4111
NSN 5998-00-633-5169
NSN 6685-01-077-8187
NSN 4140-00-509-2389
NSN 6110-01-441-9041
NSN 6135-01-134-7222
NSN 5999-01-462-2644