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 5990-01-178-5091
NSN 5925-00-188-8678
NSN 7035-01-603-0919
NSN 5905-01-102-5179
NSN 5985-01-393-8720
NSN 5935-01-449-0599
NSN 6145-01-231-4589
NSN 5925-01-054-3783
NSN 6130-01-394-4986
NSN 5999-01-369-7006
NSN 5835-00-269-2232
NSN 6145-01-584-6977