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 5975-00-383-7679
NSN 5990-00-051-7881
NSN 5855-01-493-9486
NSN 5915-01-059-6755
NSN 6135-01-526-3227
NSN 5925-01-240-4048
NSN 5996-00-904-8350
NSN 6150-01-592-3361
NSN 5915-01-415-3100
NSN 5975-01-421-3976
NSN 5975-01-451-8243
NSN 5996-01-290-4844