Model: 2121581

Engine Poppet Valve

Special Features:

1 additional groove 4all together diameter of 4th groove 0.305 in. Distance from 4 th groove to stem end 0.531 in. 4 th groove w 0.031 in

Properties:

Head Style
Flat
Head Height
0.1562 inches
Chamfer Angle In Deg
30.0
Chamfer Length
0.0312 inches
Taper Angle In Deg
20.0
Outside Diameter
1.3594 inches
Minor Outside Diameter
0.3700 inches
Minor Diameter Length
0.5625 inches
Seat Angle In Deg
45.0
Stem Style
Tapered multi-grooved
Carbon Relief Groove
Not included
Neck Radius
0.1562 inches
Stem Length
0.6562 inches
Stem Diameter
0.3750 inches
Distance From First Groove To Stem End
0.2187 inches
Distance From Second Groove To Stem End
0.3125 inches
Distance From Third Groove To Stem End
0.4062 inches
First Groove Diameter
0.3050 inches
Second Groove Diameter
0.3050 inches
Third Groove Diameter
0.3050 inches
First Groove Width
0.0625 inches
Second Groove Width
0.0625 inches
Third Groove Width
0.0625 inches
Material And Location
Steel
NSN
2805-00-444-2063
Part Number
2121581
Description
Valve,poppet,engine
CAGE
12204

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 2121581 NSN 2805-00-444-2063

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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Phone: +1 470-231-0824
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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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