Model: A137

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
Between 1.4794 inches and 1.4894 inches
Seat Angle In Deg
30.0
Stem Style
Drilled
Carbon Relief Groove
Not included
Neck Radius
0.2500 inches
Stem Length
3.7656 inches
Stem Diameter
Between 0.3095 inches and 0.3105 inches
Distance From Hole Center To Stem End
0.2344 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Metallic Hardness Rating And Location
37.0 rockwell c tip
Fsc Application Data
Gasoline engine
NSN
2805-00-271-9070
Part Number
A137
Description
Valve,poppet,engine
CAGE
77576

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 A137 NSN 2805-00-271-9070

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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