Model: 1258

Engine Poppet Valve

Properties:

Head Style
Flat
Chamfer Angle In Deg
60.0
Chamfer Length
0.0312 inches
Outside Diameter
Between 1.1200 inches and 1.1350 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.2500 inches
Stem Diameter
Between 0.3100 inches and 0.3110 inches
Distance From First Groove To Stem End
0.2187 inches
Distance From Second Groove To Stem End
0.3750 inches
First Groove Diameter
Between 0.2400 inches and 0.2460 inches
Second Groove Diameter
Between 0.2400 inches and 0.2460 inches
First Groove Width
0.0625 inches
Second Groove Width
0.0625 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Fsc Application Data
Gasoline engine
NSN
2805-00-517-9909
Part Number
1258
Description
Valve,poppet,engine
CAGE
19239

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 1258 NSN 2805-00-517-9909

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

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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