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 6320-01-220-2264
NSN 5996-00-243-1418
NSN 5950-00-114-0475
NSN 6650-01-623-0129
NSN 6240-01-261-4646
NSN 5998-01-532-8444
NSN 5960-00-185-5041
NSN 6135-00-577-8429
NSN 5895-01-616-2391
NSN 7035-00-902-8995
NSN 6105-00-220-5603
NSN 6610-01-334-8883