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 5835-00-251-9138
NSN 5925-00-960-0059
NSN 6645-01-089-6459
NSN 5905-01-478-8109
NSN 6135-01-510-4663
NSN 5910-00-950-4812
NSN 4140-01-425-2934
NSN 5990-01-432-4984
NSN 6130-01-177-0794
NSN 5925-00-877-5754
NSN 7035-00-155-9513
NSN 7035-01-227-2546