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 6240-01-312-9158
NSN 5930-00-903-8064
NSN 6650-00-466-1697
NSN 7035-00-371-7749
NSN 5910-00-910-3674
NSN 4140-00-017-2548
NSN 5920-00-577-2657
NSN 6135-01-633-8502
NSN 5895-00-296-3116
NSN 2925-01-560-4123
NSN 5985-01-044-0448
NSN 6130-01-252-5797