Model: 4-4-4 520428

Tube To Boss Tee

Properties:

Thread Class
3a all ends
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Gasket seal (tube) 1st end
Connection Style
Gasket seal (tube) 3rd end
Leg Length
1.290 inches 2nd end
Leg Length
0.850 inches 1st end
Leg Length
0.850 inches 3rd end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 3rd end
Maximum Operating Pressure
8000.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.563 inches 1st end
Thread Size
0.563 inches 3rd end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 3rd end
Material
Steel
Surface Treatment
Cadmium and chromate
Thread Series Designator
Unf all ends
Furnished Items And Quantity
1 preformed packing
Specification Data
81343-j1453 professional/industrial association standard
Nondefinitive Specification/std Data
6 figure
NSN
4730-01-328-0604
Part Number
4-4-4 520428
Description
Tee,tube To Boss
CAGE
81343

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 4-4-4 520428 NSN 4730-01-328-0604

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:
A
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:
107120
UFC:
55070
LTL:
50.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307992000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of iron or nonalloy steel

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