Model: S1639

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
Between 0.1490 inches and 0.1640 inches
Chamfer Angle In Deg
60.0
Chamfer Length
Between 0.0200 inches and 0.0400 inches
Outside Diameter
Between 1.5250 inches and 1.5350 inches
Seat Angle In Deg
30.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
Between 0.5500 inches and 0.5700 inches
Stem Length
Between 5.9280 inches and 6.0068 inches
Stem Diameter
Between 0.4020 inches and 0.4030 inches
Distance From First Groove To Stem End
0.2498 inches
Distance From Second Groove To Stem End
Between 0.4926 inches and 0.5126 inches
First Groove Diameter
Between 0.3020 inches and 0.3080 inches
Second Groove Diameter
Between 0.3020 inches and 0.3080 inches
First Groove Width
0.0625 inches
Second Groove Width
0.0625 inches
Material And Location
Steel
Fsc Application Data
Diesel engine
NSN
2815-00-364-5098
Part Number
S1639
Description
Valve,poppet,engine
CAGE
59875

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 S1639 NSN 2815-00-364-5098

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:
0.3000lbs
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: 8409998000
  • SITC: 71392
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi

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