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Tube To Boss Tee NSN 4730-00-278-8397

Item Description

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.

NSN 4730-00-278-8397 NSN: 4730-00-278-8397

Features and Characteristics

Thread Class
3b 2nd end
Connection Style
Gasket seal (boss) 2nd end
Leg Length
0.812 inches 2nd end
Connection Type
Threaded internal boss 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Seat Angle
12.0 degrees 1st end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Steel comp 12l14 or steel comp 1010
Material Specification
66, carbon steel, 0.20 percent max federal standard single material response
Media For Which Designed
Hydraulic fluid 1st response
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416, type 2 cl 2 federal specification 1st treatment response
Thread Series Designator
Unjf 1st end bulkhead
Specification Data
96906-ms21911 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002788397
NSN
4730002788397

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS18280
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS21911-6
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MS21911-6
Cage Code:
96906
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7307994000
  • NAICS: 332919
  • SITC: 67959
  • Description: Other fittings nesoi of alloy steel not stainless
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 4730-00-278-8397
What are the manufacturers of nsn 4730002788397?
Does this nsn 4730002788397 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002788397
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.
Does nsn 4730002788397 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002788397 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002788397?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22683
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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