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 6135-01-041-3829
NSN 5990-01-101-5097
NSN 6650-00-111-1081
NSN 5915-00-710-9816
NSN 5910-01-273-6689
NSN 6650-01-437-9557
NSN 5855-01-570-3195
NSN 5935-00-421-2881
NSN 5965-01-273-0943
NSN 6685-00-238-6586
NSN 5950-01-519-3926
NSN 6650-01-005-8570