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 5945-00-171-4484
NSN 5965-01-146-9162
NSN 5950-01-604-9228
NSN 5915-00-311-8939
NSN 2925-01-459-8093
NSN 7035-01-198-1512
NSN 5975-01-089-8049
NSN 6645-01-262-4853
NSN 5915-01-096-8857
NSN 7035-01-103-6845
NSN 5950-01-614-4916
NSN 5910-01-543-2804