Model: MIL-F-18280

Tube To Boss Tee

Properties:

Thread Class
2a 1st end
Thread Class
2a 1st end bulkhead
Thread Class
2a 2nd end
Thread Class
2b 3rd end
Connection Style
Flareless (tube) 1st end
Connection Style
Flareless (tube) 2nd end
Connection Style
Gasket seal (boss) 3rd end
Leg Length
1.023 inches 3rd end
Leg Length
1.258 inches 2nd end
Leg Length
2.055 inches 1st end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 1st end bulkhead
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal boss 3rd end
Thread Size
0.438 inches 2nd end
Thread Size
0.438 inches 3rd end
Thread Size
0.750 inches 1st end
Thread Size
0.750 inches 1st end bulkhead
Seat Angle
12.0 degrees 1st end
Seat Angle
12.0 degrees 2nd end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Outside Diameter Tube Accommodated
0.500 inches 1st end bulkhead
Material
Aluminum alloy
Surface Treatment
Anodize
Thread Series Designator
Unf 1st end bulkhead
Thread Series Designator
Unf all ends
NSN
4730-00-053-1068
Part Number
MIL-F-18280
Description
Tee,tube To Boss
CAGE
81349

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 MIL-F-18280 NSN 4730-00-053-1068

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 5.0 X 1.0
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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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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