Model: 407979

Engine Poppet Valve

Properties:

Head Style
Inverted cone
Head Height
Between 0.2400 inches and 0.2500 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0312 inches
Taper Angle In Deg
15.0
Outside Diameter
Between 2.7400 inches and 2.7500 inches
Minor Outside Diameter
Between 0.4320 inches and 0.4350 inches
Minor Diameter Length
Between 0.5160 inches and 0.5230 inches
Seat Angle In Deg
29.0
Stem Style
Tapered multi-grooved
Carbon Relief Groove
Not included
Neck Radius
0.8750 inches
Stem Length
Between 5.8460 inches and 5.8810 inches
Stem Diameter
Between 0.5270 inches and 0.5280 inches
Distance From First Groove To Stem End
Between 0.0950 inches and 0.1050 inches
Distance From Second Groove To Stem End
Between 0.2555 inches and 0.2605 inches
Distance From Third Groove To Stem End
Between 0.4160 inches and 0.4210 inches
First Groove Diameter
Between 0.3390 inches and 0.3440 inches
Second Groove Diameter
Between 0.3390 inches and 0.3440 inches
Third Groove Diameter
Between 0.3390 inches and 0.3440 inches
First Groove Width
0.1000 inches
Second Groove Width
0.1000 inches
Third Groove Width
0.1000 inches
Material And Location
Steel ams 5682a head
Material And Location
Steel, no. 26, eaton, yale and towne inc stem
Metallic Hardness Rating And Location
50.0 rockwell c tip
Fsc Application Data
Gasoline engine
NSN
2805-00-511-6269
Part Number
407979
Description
Valve,poppet,engine
CAGE
1ML14

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.

Part 407979 NSN 2805-00-511-6269

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15884
FIIG:
A11200
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8409918000
  • SITC: 71391
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for spark-ignition internal combustion piston engines, nesoi

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