Model: X-856

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
0.1562 inches
Chamfer Angle In Deg
45.0
Hole Diameter
Between 0.1280 inches and 0.1310 inches
Chamfer Length
0.0312 inches
Outside Diameter
1.3594 inches
Seat Angle In Deg
30.0
Stem Style
Drilled
Carbon Relief Groove
Not included
Neck Radius
0.2500 inches
Stem Length
3.7657 inches
Stem Diameter
0.3437 inches
Distance From Hole Center To Stem End
0.2344 inches
Material And Location
Steel, federal standard 66, sae hnv3 stem
Material And Location
Steel, federal standard 66, sae ev4 head
Fsc Application Data
Gasoline engine
NSN
2805-00-271-9544
Part Number
X-856
Description
Valve,poppet,engine
CAGE
13263

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 X-856 NSN 2805-00-271-9544

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:
0.1000lbs
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

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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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