Piston Ring

Item Name Code (INC) 11459

Gasoline Reciprocating Engines, Except Aircraft; and Components
Federal Supply Class: FSC 2805
NATO Supply Classification Class: NSC 2805
Engines, Turbines, and Components
Federal Supply Group: FSG 28
NATO Supply Classification Group: NSG 28
Item Hits: 10958 - Page 1 of 22
INC 11459 Piston Ring
INC 11459 Piston Ring

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.

Additional Information for Piston Ring Additional Information for Piston Ring

Piston rings are circular metal rings that are installed around the piston in an internal combustion engine. They are designed to create a seal between the piston and the cylinder wall, preventing the combustion gases from leaking into the crankcase and ensuring efficient engine operation.

Piston rings serve several important functions in an engine. Firstly, they help to seal the combustion chamber, allowing the fuel-air mixture to be compressed and ignited properly. This ensures maximum power output and fuel efficiency. Secondly, they help to regulate the amount of oil that enters the combustion chamber, preventing excessive oil consumption and reducing emissions. Lastly, piston rings help to dissipate heat from the piston to the cylinder wall, preventing overheating and ensuring proper engine cooling.

Piston rings are typically made from cast iron or steel, and they are designed to withstand high temperatures and pressures. They are installed in grooves on the outer surface of the piston, and they are held in place by tension or by spring-loaded mechanisms.

Overall, piston rings play a crucial role in the performance and longevity of an internal combustion engine by providing a tight seal, controlling oil consumption, and aiding in heat transfer.

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NATO Stock Numbers named Piston Ring NATO Stock Numbers with Item Name 11459 Piston Ring Page 1 of 22
RNCC: 3 | RNVC: 2 | DAC: 5
RNCC: 3 | RNVC: 2 | DAC: 4
RNCC: 3 | RNVC: 2 | DAC: E
RNCC: 5 | RNVC: 2 | MEDALS: Y | DAC: 1
RNCC: C | RNVC: 1 | DAC: 5
RNCC: 3 | RNVC: 9 | DAC: 6
RNCC: 3 | RNVC: 2 | DAC: 1
RNCC: 3 | RNVC: 2 | DAC: 4
RNCC: 3 | RNVC: 2 | DAC: 4
RNCC: 3 | RNVC: 2 | DAC: 4
RNCC: 3 | RNVC: 2 | DAC: 4
RNCC: 5 | RNVC: 2 | DAC: 5