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 6220-00-292-6757
NSN 6110-01-068-9241
NSN 6320-01-125-3361
NSN 5935-01-472-2470
NSN 6320-01-086-2602
NSN 5935-00-279-1778
NSN 5990-01-142-0538
NSN 6610-01-550-2368
NSN 6320-01-139-0533
NSN 2925-01-411-4666
NSN 5960-00-057-9184
NSN 5945-01-332-8005