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 5930-01-648-2582
NSN 5915-00-922-9148
NSN 5925-01-397-6450
NSN 5930-00-411-7012
NSN 5910-01-445-6903
NSN 5965-00-303-9701
NSN 6240-01-303-6174
NSN 5975-01-415-3331
NSN 5905-01-548-3045
NSN 5835-00-198-4936
NSN 5999-00-582-0354
NSN 5905-01-586-0128