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 5910-01-364-4589
NSN 6320-01-388-3125
NSN 6150-01-440-9796
NSN 6130-00-558-6112
NSN 5999-01-406-6274
NSN 5998-01-222-8755
NSN 5835-01-282-3321
NSN 6220-00-461-1494
NSN 6145-00-811-3393
NSN 6650-01-424-0974
NSN 6645-00-401-5563
NSN 5998-01-070-3853