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 5985-01-342-9739
NSN 5950-01-442-6188
NSN 6145-01-289-5039
NSN 5925-01-478-2656
NSN 5915-01-519-2234
NSN 5855-01-633-9329
NSN 6135-00-927-5848
NSN 6685-01-463-7229
NSN 6685-01-145-3938
NSN 7035-00-215-3272
NSN 6105-00-454-6270
NSN 4140-01-329-8771