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 5945-00-815-1621
NSN 5985-01-173-3309
NSN 5985-01-120-7821
NSN 5895-01-472-5137
NSN 5915-00-409-6713
NSN 6320-01-540-4885
NSN 5895-00-477-7823
NSN 5895-01-472-6771
NSN 5925-01-026-9649
NSN 6320-00-343-1798
NSN 5965-00-433-6181
NSN 6135-01-096-1452