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 4140-00-492-2468
NSN 5925-00-452-1270
NSN 6105-00-867-6697
NSN 4140-00-225-8586
NSN 5985-01-350-9690
NSN 6220-00-583-3442
NSN 5915-00-911-9893
NSN 5950-01-104-4717
NSN 6610-00-913-7069
NSN 6320-01-631-7828
NSN 5855-01-100-3272
NSN 5925-01-025-0322