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 6240-01-415-2349
NSN 5999-00-594-9180
NSN 5855-00-411-8688
NSN 5998-00-359-3652
NSN 6110-00-586-6681
NSN 5920-01-398-1855
NSN 5950-01-155-9290
NSN 6150-00-898-6796
NSN 6220-00-397-6910
NSN 6150-01-422-9642
NSN 5985-01-226-8427
NSN 6110-01-418-0199