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 5975-00-059-3646
NSN 5985-01-295-2893
NSN 5920-01-329-2404
NSN 5920-00-485-9170
NSN 6685-00-575-4647
NSN 5945-01-214-3454
NSN 6135-01-550-4792
NSN 6320-00-779-5923
NSN 5996-00-116-7367
NSN 5965-01-216-1994
NSN 5855-00-560-0110
NSN 5998-01-375-5162