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 5835-01-622-2556
NSN 4140-01-113-4196
NSN 6650-00-469-2218
NSN 5925-01-447-9767
NSN 5999-01-558-7248
NSN 5999-01-553-6725
NSN 5935-01-190-5887
NSN 5930-00-089-4605
NSN 5950-00-233-5798
NSN 6645-01-525-7493
NSN 6320-01-229-6479
NSN 5975-01-149-6328