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Boss Tee NSN 4730-00-137-1890

Item Description

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have external or internal machine threads (straight threads other than pipe or hose series), and are 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 boss or boss fitting on items such as tanks, housings, valve fittings, and the like. Excludes tee, tube.

NSN 4730-00-137-1890 NSN: 4730-00-137-1890

Features and Characteristics

Thread Class
3b 1st end
End Application
Gyro test stand
Connection Style
Gasket seal (boss) 1st end
Leg Length
0.773 inches 1st end
Connection Type
Threaded internal boss 1st end
Thread Size
0.438 inches 1st end
Material
Aluminum alloy 2014
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Anodize inside
Surface Treatment Specification
Mil-f-5509 military specification single treatment response inside
Thread Series Designator
Unf 2nd end
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
001371890
NSN
4730001371890

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS4875/1
Cage Code:
81343
Status:
A
MSDS:
Part Number:
PA784D030403
Cage Code:
50948
Status:
A
MSDS:
Part Number:
7M117D03-04-03
Cage Code:
76301
Status:
A
MSDS:
Part Number:
7M117D030403
Cage Code:
76301
Status:
A
MSDS:
Part Number:
AS1032D030403
Cage Code:
81343
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7609000000
  • NAICS: 332919
  • SITC: 68427
  • Description: Aluminum tube or pipe fittings (couplings,elbows sleeves)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-137-1890
What are the manufacturers of nsn 4730001371890?
Does this nsn 4730001371890 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730001371890
A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. the connections have external or internal machine threads (straight threads other than pipe or hose series), and are 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 boss or boss fitting on items such as tanks, housings, valve fittings, and the like. excludes tee, tube.
Does nsn 4730001371890 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730001371890 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730001371890?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22680
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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