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 5910-01-005-2612
NSN 2925-00-363-9878
NSN 6135-01-511-1975
NSN 5990-00-239-3432
NSN 5910-01-058-7078
NSN 5935-01-243-6899
NSN 5990-01-081-3845
NSN 5925-01-092-1005
NSN 6685-01-598-7340
NSN 6220-01-505-8198
NSN 5975-00-484-0793
NSN 6150-01-594-3680