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 5950-01-185-0647
NSN 5855-01-116-8905
NSN 5960-01-425-1454
NSN 6220-01-106-3215
NSN 6150-01-323-6378
NSN 6610-01-415-5877
NSN 7035-01-112-1054
NSN 4140-00-224-5533
NSN 5950-00-781-0411
NSN 5950-01-658-2801
NSN 5930-00-350-8508
NSN 6135-01-525-2356