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Cross Reference

These part numbers have the same form, fit, and function as 255010b
Item Number Cage
255010B 1ML14


Other parts in this series

Technical Definition

Valve, Poppet, Engine, also referenced with federal logistics item name code 15884 - 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.

Q & A

Part number 255010B
What are the historical prices for part number 255010B?
No pre-dated pricing for this NSN could be found.
Does this part number 255010B have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number 255010B require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is part number 255010B ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number 255010B?
Who are the manufacturers of 255010B and NSN 2815-00-649-8439?
  • D.w. Hercules, Llc (CAGE 1ML14)


Description: Engine Poppet Valve
Part Number 255010B 255010B


AASK Head Style
AASU Head Height
From 0.1970" and 0.2070"
AATE Chamfer Angle In Deg
AAVZ Groove Diameter
From 0.3290" and 0.3590"
AAZP Chamfer Length
0.0312 inches
ABGF Groove Width
From 0.0950" and 0.1050"
ABKV Outside Diameter
From 1.6825" and 1.6925"
AJFY Seat Angle In Deg
ALYX Stem Style
ALYZ Carbon Relief Groove
Not included
ALZB Neck Radius
0.5625 inches
ALZD Stem Length
From 5.1300" and 5.1610"
ALZE Stem Diameter
From 0.3725" and 0.3735"
ALZG Distance From Groove To Stem End
From 0.1750" and 0.2000"
ANNQ Material And Location
Steel, no. 731, hercules engine div of hupp corp stem err-100 err-100
ANNQ Material And Location
Steel, no. 731, hercules engine div of hupp corp stem
ASXJ Metallic Hardness Rating And Location
60.0 shore scleroscope minimum tip
ZZZV Fsc Application Data
Diesel engine
National Stock Number (NSN): 2815-00-649-8439