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 5835-01-331-5735
NSN 5950-01-654-6372
NSN 6645-00-274-5670
NSN 5835-01-456-3922
NSN 5935-00-221-3720
NSN 6645-01-054-3969
NSN 5990-00-481-7208
NSN 6320-01-145-9013
NSN 5925-01-338-9192
NSN 6145-01-320-8584
NSN 6240-00-105-8380
NSN 6620-01-336-5765