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 7035-01-429-0431
NSN 5915-00-525-5753
NSN 5990-00-018-9723
NSN 2925-01-274-8576
NSN 5835-01-274-1035
NSN 4140-00-017-2548
NSN 6620-01-295-5341
NSN 5975-01-371-0666
NSN 4140-01-039-8885
NSN 6135-01-633-8502
NSN 5985-01-480-4082
NSN 5910-01-320-7781