Model: 31549D4

Tube To Boss Tee

Properties:

Thread Class
3b 2nd end
Thread Class
3a 3rd end
Thread Class
3a 1st end
Connection Style
Flared (tube) 1st end
Connection Style
Flared (tube) 3rd end
Connection Style
Gasket seal (boss) 2nd end
Leg Length
1.250 inches 3rd end
Leg Length
2.000 inches 1st end
Leg Length
0.750 inches 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 3rd end
Connection Type
Threaded internal boss 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.438 inches 3rd end
Thread Size
0.562 inches 1st end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 3rd end
Outside Diameter Tube Accommodated
0.250 inches 3rd end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Aluminum alloy
Surface Treatment
Anodize inside
Surface Treatment
Anodize outside
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 3rd end
Thread Series Designator
Unf 2nd end
NSN
4730-00-105-6032
Part Number
31549D4
Description
Tee,tube To Boss
CAGE
14397

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) 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 boss connection(s) 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 inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also tee, tube; and tee, pipe to tube. Excludes connector, multiple, fluid pressure line.

Part 31549D4 NSN 4730-00-105-6032

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22683
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:
052190
UFC:
30000
LTL:
RATING VARIABLE
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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