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 5950-01-385-9933
NSN 4140-01-221-1929
NSN 6620-01-337-0652
NSN 6105-01-084-6836
NSN 7035-00-490-0485
NSN 6145-01-571-7928
NSN 5999-00-614-7984
NSN 2925-01-446-6523
NSN 5965-01-013-0290
NSN 5935-00-770-3216
NSN 5915-00-761-7572
NSN 5965-01-218-7795