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 5975-00-834-1821
NSN 5945-00-279-3223
NSN 6150-00-148-8515
NSN 6135-01-653-6113
NSN 5920-01-383-1628
NSN 4140-00-270-8075
NSN 6130-01-545-6313
NSN 6130-00-990-5759
NSN 6220-01-112-5045
NSN 6150-01-421-2543
NSN 6130-00-187-0211
NSN 5910-00-234-0586