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 5935-01-290-0594
NSN 6220-01-645-1414
NSN 6685-00-450-7947
NSN 5910-01-649-3398
NSN 6620-00-847-6385
NSN 5895-01-234-4612
NSN 5835-01-380-5943
NSN 6110-01-284-0318
NSN 5998-00-753-7856
NSN 6320-01-195-5583
NSN 5855-01-421-1440
NSN 5920-01-303-5951