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Tube Tee NSN 4730-00-521-8389

Item Description

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. It may have side inlet(s). It is used as a junction at the intersection of a tube or tube fitting.

NSN 4730-00-521-8389 NSN: 4730-00-521-8389

  Stock Availability

NSN 4730005218389 availability
(as of 02/09/2022).

  • NS: 3
  • NE: 10

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Class
3b 3rd end
Connection Style
Swivel nut, flare (tube) style 3 optional end 3rd end
Leg Length
1.000 inches 3rd end
Connection Type
Threaded internal tube 3rd end
Thread Size
0.438 inches 1st end
Seat Angle
39.5 degrees 3rd end
Outside Diameter Tube Accommodated
0.250 inches 3rd end
Special Features
Machined groove in flared ends to accommodate seal rings per kc103
Material
Steel comp 316
Material Specification
Qq-s-763, cond a federal specification single material response
Surface Treatment
Passivate outside
Thread Series Designator
Unf 3rd end
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
005218389
NSN
4730005218389

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS4304K04
Cage Code:
81343
Status:
A
MSDS:
Part Number:
KC109C4
Cage Code:
22264
Status:
A
MSDS:
Part Number:
KC109K4
Cage Code:
22264
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 4730-00-521-8389
What are the manufacturers of nsn 4730005218389?
Does this nsn 4730005218389 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730005218389
A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. the connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. it may have side inlet(s). it is used as a junction at the intersection of a tube or tube fitting.
Does nsn 4730005218389 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730005218389 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730005218389?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
03809
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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