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 5985-00-838-3851
NSN 5999-01-154-3383
NSN 2925-00-947-9814
NSN 6685-00-771-8361
NSN 5945-00-973-3137
NSN 5835-01-014-4574
NSN 5935-00-270-3266
NSN 6650-00-224-3223
NSN 5855-00-281-3843
NSN 5945-00-901-8853
NSN 4140-00-226-9807
NSN 4140-01-354-4404