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 5915-01-626-2579
NSN 6135-00-485-7402
NSN 4140-00-170-1567
NSN 5975-00-871-9424
NSN 6620-00-153-0982
NSN 6620-01-472-6461
NSN 6620-00-959-6614
NSN 5920-01-144-7878
NSN 5960-01-135-0463
NSN 5985-01-025-6051
NSN 5935-01-519-1863
NSN 5950-00-451-4975