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 5950-00-916-5023
NSN 6320-00-483-0451
NSN 5925-01-359-4814
NSN 6220-01-123-5139
NSN 5910-00-079-1309
NSN 5855-01-651-3794
NSN 5998-01-466-0788
NSN 6240-01-195-6650
NSN 4140-00-836-6319
NSN 6685-00-596-8765
NSN 6320-01-495-1244
NSN 5930-00-163-6549