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 5999-01-366-5387
NSN 5960-00-875-9823
NSN 5999-01-426-2044
NSN 5996-00-978-4547
NSN 6645-01-464-4546
NSN 5975-01-082-0953
NSN 5985-01-415-3134
NSN 5990-00-419-0236
NSN 5996-00-524-3384
NSN 5950-01-207-0869
NSN 6320-01-571-4530
NSN 5998-01-046-2433