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 6240-01-441-0027
NSN 6650-00-539-7298
NSN 5990-01-363-5728
NSN 5985-01-017-3061
NSN 6145-01-032-4557
NSN 6135-01-196-7399
NSN 5915-01-389-1065
NSN 5945-01-423-6859
NSN 6110-01-025-3612
NSN 5990-01-602-6701
NSN 5960-01-328-8248
NSN 6240-01-418-2606