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 6685-01-518-5287
NSN 5985-01-100-2710
NSN 6650-00-098-6128
NSN 5975-01-489-1470
NSN 6645-00-922-0886
NSN 5950-01-136-2366
NSN 5985-00-437-6020
NSN 5930-01-325-3535
NSN 5985-00-850-1524
NSN 6150-01-500-8464
NSN 6220-01-439-6283
NSN 6645-00-339-0318