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 5996-01-082-5854
NSN 5950-01-494-0382
NSN 6105-00-972-3042
NSN 6620-01-241-9592
NSN 5920-01-256-4162
NSN 5985-00-035-4558
NSN 5895-01-380-5842
NSN 5975-01-359-4848
NSN 6320-01-544-6447
NSN 5990-01-492-6575
NSN 5925-01-132-9120
NSN 5975-00-841-5857