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 5905-00-679-5923
NSN 6620-00-140-8644
NSN 5935-01-377-0175
NSN 5960-01-425-1454
NSN 2925-00-406-4381
NSN 6220-01-082-5396
NSN 6240-01-129-7060
NSN 5999-01-265-0721
NSN 5910-00-884-8292
NSN 5915-01-501-1102
NSN 5930-01-400-6126
NSN 5999-00-258-4033