Model: ER837D4

Tube Elbow

Properties:

Thread Class
3a 1st end bulkhead
Thread Class
3a all ends
Maximum Operating Temp
-65.0 degrees fahrenheit 2nd response
Maximum Operating Temp
275.0 degrees fahrenheit 1st response
End Application
Used on chinook helicopter ch-47
Connection Style
Flareless (tube) all ends
Leg Length
1.453 inches 1st end
Leg Length
0.688 inches 2nd end
Connection Type
Threaded external tube all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 1st end bulkhead
Thread Size
0.438 inches all ends
Seat Angle
12.0 degrees all ends
Flow Angle
45.0 degrees
Outside Diameter Tube Accommodated
0.250 inches 1st end bulkhead
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Aluminum alloy 2014 or aluminum alloy 2024
Material Specification
Qq-a-367, t6 federal specification single material response or qq-a-225/6, t6 federal specification single material response
Media For Which Designed
Hydraulic fluid 1st response
Media For Which Designed
Oxygen, gaseous 2nd response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2, class 1 military specification single treatment response
Thread Series Designator
Unjf all ends
Thread Series Designator
Unjf 1st end bulkhead
Specification Data
96906-ms21907 government standard
NSN
4730-00-640-1215
Part Number
ER837D4
Description
Elbow,tube
CAGE
79470

Part ER837D4 NSN 4730-00-640-1215

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03771
FIIG:
A080B0
Concept No.:
App. Key:
A
Cond. Code:
1
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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