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 6240-01-218-5187
NSN 5835-01-051-7584
NSN 6145-01-030-9395
NSN 6610-01-414-7481
NSN 6220-00-218-0857
NSN 7035-01-327-4017
NSN 6220-01-253-6684
NSN 6105-00-153-0238
NSN 7035-01-386-5722
NSN 6130-01-294-7481
NSN 6685-01-076-4703
NSN 2925-01-350-0200