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 4140-01-648-1323
NSN 2925-00-924-1159
NSN 6135-01-400-2947
NSN 5910-00-454-2808
NSN 6610-01-327-3187
NSN 5996-01-074-2426
NSN 6650-01-327-3068
NSN 5855-01-133-3587
NSN 5975-01-007-7323
NSN 5950-01-097-7149
NSN 6620-01-625-2855
NSN 5895-01-261-0745