Model: 517458

Engine Poppet Valve

Properties:

Head Style
Concave
Head Height
Between 0.2650 inches and 0.2750 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.4220 inches and 0.4280 inches
Chamfer Length
0.0300 inches
Groove Width
Between 0.1560 inches and 0.1660 inches
Outside Diameter
Between 2.7450 inches and 2.7550 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
1.0000 inches
Stem Length
Between 6.6260 inches and 6.6410 inches
Stem Diameter
Between 0.4975 inches and 0.4980 inches
Distance From Groove To Stem End
Between 0.2510 inches and 0.2560 inches
Material And Location
Steel
NSN
2805-00-734-6482
Part Number
517458
Description
Valve,poppet,engine
CAGE
02978

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 517458 NSN 2805-00-734-6482

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:
85.0
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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