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 6110-01-071-7513
NSN 5999-01-438-5741
NSN 6145-00-275-4046
NSN 6610-01-391-9062
NSN 6610-01-492-6515
NSN 5925-01-399-6777
NSN 5915-01-202-8195
NSN 2925-00-203-8735
NSN 4140-01-190-2464
NSN 5925-00-222-6199
NSN 5835-01-394-7589
NSN 5835-00-113-6090