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 4140-01-597-3442
NSN 6150-00-408-3401
NSN 5965-01-167-8513
NSN 7035-01-520-7243
NSN 6110-00-728-4515
NSN 5835-00-123-5175
NSN 7035-01-287-5094
NSN 5975-01-203-2163
NSN 5999-01-538-4225
NSN 6105-00-678-3355
NSN 5925-01-634-0664
NSN 5945-00-103-7711