Engine Poppet Valve

Model / MPN: BB23405 | NSN: 2815-00-271-9549

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

2815-00-271-9549

Sold in multiples of

1 EA

DEMIL

Head Style

Flat

Head Height

Between 0.2500 inches and 0.2800 inches

Chamfer Angle In Deg

45.0

Chamfer Length

0.0312 inches

Outside Diameter

Between 1.9980 inches and 2.0020 inches

Seat Angle In Deg

45.0

Carbon Relief Groove

Not included

Neck Radius

0.4375 inches

Stem Length

Between 6.4580 inches and 6.4680 inches

Stem Diameter

Between 0.4970 inches and 0.4990 inches

Distance From First Groove To Stem End

Between 0.3610 inches and 0.3710 inches

Distance From Second Groove To Stem End

Between 0.5216 inches and 0.5316 inches

Distance From Third Groove To Stem End

Between 0.6822 inches and 0.6922 inches

First Groove Diameter

Between 0.3900 inches and 0.3950 inches

Second Groove Diameter

Between 0.3900 inches and 0.3950 inches

Third Groove Diameter

Between 0.3900 inches and 0.3950 inches

First Groove Width

Between 0.0970 inches and 0.1010 inches

Second Groove Width

0.0970 mils and 0.1010 centimeters

Third Groove Width

Between 0.0970 inches and 0.1010 inches

Material And Location

Steel, federal standard 66, sae hnv3

Fsc Application Data

Diesel engine

BB234 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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BB23405 Cross Reference

85510A
7086934
3345
85510A