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 5895-01-423-5232
NSN 6105-00-051-1362
NSN 5905-00-649-0425
NSN 5895-00-017-9582
NSN 6240-01-140-8762
NSN 6620-00-004-1374
NSN 5915-00-466-2840
NSN 5915-01-167-8506
NSN 6240-01-180-3720
NSN 5985-00-908-0425
NSN 5945-00-275-0557
NSN 5975-01-460-6572