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 5920-01-303-6841
NSN 6650-01-436-1173
NSN 5895-01-238-6225
NSN 6130-01-258-1134
NSN 5945-00-084-8410
NSN 6240-01-463-8276
NSN 5925-00-597-1558
NSN 6650-00-069-3107
NSN 5930-01-285-6727
NSN 5905-01-268-4908
NSN 6240-01-003-8666
NSN 2925-00-989-0523