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 for compression-ignition internal combustion piston engines (diesel), nesoi
NSN 6610-00-311-0974
NSN 5925-01-188-7630
NSN 5945-01-551-0654
NSN 5950-01-555-8776
NSN 6220-01-126-0370
NSN 5985-01-196-6144
NSN 6685-01-519-1013
NSN 6135-01-354-5535
NSN 5998-01-564-9879
NSN 6135-01-136-1059
NSN 6105-01-487-0836
NSN 6135-01-189-5567