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Tube To Boss Tee NSN 4730-00-277-5031

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 4730-00-277-5031 NSN: 4730-00-277-5031

Features and Characteristics

Thread Class
3b 3rd end
Connection Style
Gasket seal (boss) 3rd end
Leg Length
3.031 inches 1st end
Connection Type
Threaded internal boss 3rd end
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.625 inches all ends
Seat Angle
37.0 degrees 2nd end
Outside Diameter Tube Accommodated
1.250 inches 2nd end
Material
Aluminum alloy
Material Specification
Qq-a-225/4, temper t6 federal specification all material responses and qq-a-225/6, temper t6 or t851 federal specification all material responses and qq-a-367, alloy 2014, temper t6 federal specification all material responses
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response outside
Thread Series Designator
Unj all ends
Specification Data
88044-na783 professional/industrial association standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002775031
NSN
4730002775031

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN783D20
Cage Code:
88044
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 4730-00-277-5031
What are the manufacturers of nsn 4730002775031?
Does this nsn 4730002775031 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002775031
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 4730002775031 contain any precious metals?
No precious metal content.
Does nsn 4730002775031 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002775031?
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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