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 5965-01-359-0384
NSN 5925-01-223-6382
NSN 5945-01-426-8747
NSN 5999-01-543-7407
NSN 6610-01-546-9693
NSN 6110-01-201-4251
NSN 6135-00-240-3200
NSN 5996-00-234-3293
NSN 5950-00-457-2537
NSN 6105-01-305-8334
NSN 6650-00-499-7446
NSN 5915-00-869-1386