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 6650-00-115-9240
NSN 6610-00-782-0761
NSN 7035-00-267-5424
NSN 6320-01-585-8468
NSN 5990-01-249-2060
NSN 4140-00-478-6199
NSN 4140-01-073-1012
NSN 6645-00-947-0625
NSN 2925-01-144-0352
NSN 5998-00-435-6997
NSN 5960-01-297-2665
NSN 6220-00-473-9122