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 6220-01-451-7083
NSN 5990-01-050-1102
NSN 5855-01-020-7982
NSN 6145-01-424-0963
NSN 5925-01-551-1265
NSN 6145-00-109-0356
NSN 7035-01-168-3596
NSN 5990-00-067-6791
NSN 6650-01-142-1688
NSN 5985-00-204-6537
NSN 5945-01-029-2516
NSN 5960-00-568-2437