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 6685-01-559-0660
NSN 5915-01-516-2021
NSN 5975-00-934-8885
NSN 5999-01-083-1371
NSN 5950-01-649-5798
NSN 5998-01-435-8121
NSN 5965-01-021-7023
NSN 5930-01-545-7816
NSN 5950-01-436-7351
NSN 6650-01-659-8445
NSN 5910-00-276-8592
NSN 5895-01-270-1018