Model: 291-0011-990

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
0.2820 inches
Chamfer Angle In Deg
30.0
Groove Diameter
0.2500 inches
Chamfer Length
0.0500 inches
Groove Width
Between 0.2550 inches and 0.2650 inches
Outside Diameter
Between 1.2450 inches and 1.2550 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.2800 inches
Stem Length
4.8340 inches
Stem Diameter
Between 0.3090 inches and 0.3100 inches
Distance From Groove To Stem End
0.2230 inches
Material And Location
Steel, corrosion resisting
Metallic Hardness Rating And Location
42.0 rockwell c tip
NSN
2805-00-870-6047
Part Number
291-0011-990
Description
Valve,poppet,engine
CAGE
10391

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 291-0011-990 NSN 2805-00-870-6047

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:
0.2000lbs
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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