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 5915-01-208-4774
NSN 7035-01-113-6492
NSN 5950-01-322-4010
NSN 5945-00-907-4861
NSN 5905-00-854-3264
NSN 5990-00-170-9553
NSN 5935-01-474-5571
NSN 6150-01-408-6887
NSN 6320-00-483-0451
NSN 5925-00-008-4413
NSN 6135-01-299-7252
NSN 5935-01-406-2757