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 5985-01-582-8669
NSN 5945-00-539-4071
NSN 5985-01-467-7803
NSN 5930-01-582-6165
NSN 5990-01-607-9433
NSN 5998-01-380-7924
NSN 5925-01-436-9833
NSN 5950-01-138-0683
NSN 6620-00-319-4044
NSN 6240-01-086-9789
NSN 5945-01-251-0100
NSN 6320-01-036-2598