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 5950-01-072-5801
NSN 5999-01-147-1024
NSN 6320-01-322-8340
NSN 2925-01-469-8229
NSN 6220-01-088-3457
NSN 5960-01-458-6484
NSN 5975-00-497-9968
NSN 5990-00-916-3975
NSN 5920-01-463-3525
NSN 6130-01-514-2304
NSN 6130-01-580-7818
NSN 7035-01-457-5645