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 6220-01-103-6850
NSN 6220-00-452-5308
NSN 5905-01-442-3473
NSN 6220-01-547-3775
NSN 5990-01-514-8708
NSN 6610-01-013-8922
NSN 5935-01-269-6567
NSN 4140-01-334-9043
NSN 6620-00-798-6866
NSN 5910-01-370-1144
NSN 5950-00-453-1946
NSN 6650-00-112-8361