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 5945-01-381-5487
NSN 5965-01-506-7576
NSN 4140-01-231-0742
NSN 5975-00-934-8885
NSN 5965-00-113-9748
NSN 5996-01-004-2579
NSN 5945-01-204-3507
NSN 5935-01-023-4029
NSN 6610-00-846-4525
NSN 6145-01-039-2568
NSN 6320-01-116-3980
NSN 7035-01-172-4024