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.
NSN 5960-01-115-6840
NSN 6685-01-356-9967
NSN 6650-01-493-3660
NSN 6645-01-504-3394
NSN 7035-01-141-3041
NSN 5990-01-650-9034
NSN 5855-01-376-0363
NSN 6145-00-122-9517
NSN 6645-01-196-6277
NSN 5945-00-313-6491
NSN 5895-00-719-5983
NSN 5999-01-461-3052