Engine Poppet Valve

Model / MPN: AS2991 | NSN: 2815-00-084-0534

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

Product Details

NATO Stock Number

2815-00-084-0534

Sold in multiples of

* special requirements. EA

DEMIL

Head Style

Flat

Head Height

0.1950 inches

Chamfer Angle In Deg

45.0

Chamfer Length

0.0312 inches

Outside Diameter

1.6470 inches

Seat Angle In Deg

43.0

Stem Style

Double grooved

Carbon Relief Groove

Not included

Neck Radius

0.3281 inches

Stem Length

5.7812 inches

Stem Diameter

0.3700 inches

Distance From First Groove To Stem End

0.2812 inches

Distance From Second Groove To Stem End

0.4375 inches

First Groove Diameter

0.3040 inches

Second Groove Diameter

0.3040 inches

First Groove Width

0.0625 inches

Second Groove Width

0.0625 inches

Material And Location

Steel stem or steel, corrosion resisting head

AS299 Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
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7 Year Record Retention
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AS2991 Cross Reference

2M6403
IPD2M6403