Flange To Tube Straight Adapter NSN 4730-01-168-3521

Item Description

An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. The other end 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. It is designed to join a flange or flange fitting to a tube or tube fitting in a straight line.

NSN: 4730-01-168-3521

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Features and Characteristics

Thread Class

2a 1st end

Bolt Hole Quantity

6 2nd end

Connection Style

Inverted flare (tube) 1st end

Flange Shape

Round with holes 2nd end

Connection Type

Threaded external tube 1st end

Thready Qty Per Inch (tpi)

16 1st end

Thread Size

2.188 inches 1st end

Seat Angle

20.0 degrees 1st end

Outside Diameter

4.575 inches 2nd end

Thickness

0.115 inches 2nd end

Bolt Hole Diameter

0.204 inches 2nd end

Bolt Circle Diameter

3.400 inches 2nd end

Flange Face Design

Plain 2nd end

Outside Diameter Tube Accommodated

1.560 inches 1st end

Nominallength

1.280 inches

Special Features

One hole offset, flange hexed between 4 holes

Material

Aluminum alloy 2024

Material Specification

Qq-a-225/6 federal specification single material response

Thread Series Designator

Un 1st end

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

011683521

NSN

4730011683521

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

L4801637-003

Cage Code:

43999

Status:

MSDS:

Part Number:

L4801637

Cage Code:

43999

Status:

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 4730-01-168-3521

What are the manufacturers of nsn 4730011683521?

Boeing Company, The (43999)

Does this nsn 4730011683521 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730011683521
An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. the other end 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. it is designed to join a flange or flange fitting to a tube or tube fitting in a straight line.

Does nsn 4730011683521 contain any precious metals?
No precious metal content.

Does nsn 4730011683521 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730011683521?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

29657

FIIG:

A080B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
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