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 5835-01-532-5948
NSN 5998-00-734-5346
NSN 5920-00-054-7048
NSN 2925-01-123-5856
NSN 6650-01-514-0240
NSN 5945-01-121-2281
NSN 5996-00-642-5565
NSN 6145-00-161-2394
NSN 6135-01-558-7257
NSN 5855-00-118-8762
NSN 5975-00-009-2075
NSN 6610-01-421-5367