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 5996-01-415-3901
NSN 5960-01-377-1907
NSN 5960-00-678-6583
NSN 4140-01-026-9293
NSN 5960-01-505-2426
NSN 5835-01-632-6627
NSN 5975-01-550-2237
NSN 6130-00-528-7838
NSN 5985-01-442-8742
NSN 5855-00-237-4088
NSN 2925-01-528-7333
NSN 6650-00-896-9468