Model: 340-8520016-9

Tube To Boss Elbow

Properties:

Thread Class
3a 1st end
Thread Class
3a 2nd end
Maximum Operating Temp
274.0 degrees fahrenheit single response
Connection Style
Flared (tube) 1st end
Connection Style
Flared w/ gasket seal (boss) 2nd end
Leg Length
2.090 inches 1st end
Leg Length
2.870 inches 2nd end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
12 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.625 inches 1st end
Thread Size
1.625 inches 2nd end
Seat Angle
37.0 degrees all ends
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
1.250 inches 1st end
Material
Aluminum alloy 356.0
Material Specification
Qq-a-610, t6 federal specification single material response
Media For Which Designed
Fuel single response
Thread Series Designator
Un all ends
NSN
4730-00-306-7548
Part Number
340-8520016-9
Description
Elbow,tube To Boss
CAGE
14170

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part 340-8520016-9 NSN 4730-00-306-7548

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22679
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:
CRITL:
X

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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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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