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 6145-01-535-6220
NSN 5835-01-158-6878
NSN 5895-00-017-9582
NSN 5998-01-334-3596
NSN 6645-01-550-7391
NSN 5835-00-707-6266
NSN 5910-01-516-7460
NSN 5990-01-351-4621
NSN 5975-01-550-1753
NSN 6220-01-633-8287
NSN 5998-01-234-3599
NSN 5990-01-376-4376