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 5910-01-570-3929
NSN 5990-00-206-3753
NSN 6220-01-615-0905
NSN 6620-01-438-8479
NSN 6135-01-485-9082
NSN 5895-01-113-9297
NSN 5960-01-064-7121
NSN 5895-01-401-5388
NSN 7035-01-657-3875
NSN 5915-01-145-5340
NSN 6320-00-174-1362
NSN 6135-01-054-2462