Model: 15-304

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
0.2344 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0625 inches
Outside Diameter
Between 2.8080 inches and 2.8150 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Included
Neck Radius
0.5625 inches
Stem Length
7.6406 inches
Stem Diameter
Between 0.6240 inches and 0.6250 inches
Distance From First Groove To Stem End
0.4687 inches
Distance From Second Groove To Stem End
1.1550 inches
First Groove Diameter
Between 0.4950 inches and 0.5000 inches
Second Groove Diameter
Between 0.5590 inches and 0.5630 inches
First Groove Width
0.6250 inches
Second Groove Width
0.0600 inches
Material And Location
Steel head
Material And Location
Steel, federal standard 66, aisi/sae 3140 stem
NSN
2805-00-423-3756
Part Number
15-304
Description
Valve,poppet,engine
CAGE
35301

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 15-304 NSN 2805-00-423-3756

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

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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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