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 bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
NSN 7035-01-521-2384
NSN 6650-01-100-3185
NSN 5965-01-327-9234
NSN 6150-00-794-8714
NSN 6240-01-384-8802
NSN 6105-00-675-9557
NSN 6220-00-981-3057
NSN 6685-01-054-3735
NSN 5960-01-259-3846
NSN 2925-01-014-0118
NSN 4140-01-425-7233
NSN 5945-01-458-1674