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 6150-01-476-0771
NSN 5925-01-485-9235
NSN 5998-00-939-3741
NSN 6110-01-222-0767
NSN 4140-01-363-8263
NSN 6320-00-578-6898
NSN 6145-00-813-6157
NSN 5920-01-480-9298
NSN 6220-01-389-8933
NSN 6150-01-657-8443
NSN 5990-00-061-3360
NSN 5975-00-660-5171