Model: B620

Engine Poppet Valve

Properties:

Head Style
Concave
Head Height
Between 0.1620 inches and 0.1720 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.3590 inches and 0.3650 inches
Chamfer Length
0.0300 inches
Groove Width
Between 0.1560 inches and 0.1660 inches
Outside Diameter
Between 2.3070 inches and 2.3170 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.5000 inches
Stem Length
Between 4.7140 inches and 4.7240 inches
Stem Diameter
Between 0.4330 inches and 0.4340 inches
Distance From Groove To Stem End
0.3200 inches
Material And Location
Steel
NSN
2805-00-203-8640
Part Number
B620
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 B620 NSN 2805-00-203-8640

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:
--
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
100.0
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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