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 5990-01-378-7349
NSN 5895-00-243-5984
NSN 6645-00-292-5053
NSN 5930-00-889-8605
NSN 5920-00-140-8912
NSN 5960-01-150-8004
NSN 5920-01-624-4586
NSN 6610-01-094-8442
NSN 5960-00-254-4271
NSN 5999-01-052-6131
NSN 6240-01-189-9339
NSN 6135-00-519-1325