Flange To Tube Elbow NSN 4730-01-018-1681

Item Description

A fitting that forms an angle of less that 180 degrees (3.141 radians) from the straight flow. It has 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 may have side and/or heel inlet(s).

NSN: 4730-01-018-1681

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Features and Characteristics

Thread Pitch Diameters

+1.6814/+1.7400 inches 1st end

Bolt Hole Quantity

3 2nd end

Connection Style

Inverted flare (tube) 1st end

Leg Length

3.890 inches 1st end and 3.990 inches 1st end

Width

1.516 inches 2nd end

Length

0.370 inches 2nd end

Flange Shape

Triangular with holes 2nd end

Connection Type

Threaded external tube 1st end

Thready Qty Per Inch (tpi)

12 1st end

Thread Size

1.750 inches 1st end

Seat Angle

25.0 degrees 1st end

Flow Angle

45.0 degrees

Thickness

0.370 inches 2nd end

Bolt Hole Diameter

0.344 inches 2nd end

Bolt Circle Diameter

2.302 inches 2nd end

Flange Face Design

Raised with curve and radius 2nd end

Raised Face Height

0.370 inches 2nd end

Raised Face Diameter

1.514 inches 2nd end

Outside Diameter Tube Accommodated

1.565 inches 1st end

Special Features

Ilet first end0.160 in min, 0.220 in max thk; 0.062 in min dia, 0.125 in max dia

Material

Aluminum alloy

Material Specification

Ams4212 assn standard all material responses

Thread Series Designator

Uns 1st end

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

010181681

NSN

4730010181681

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

770018

Cage Code:

11449

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 4730-01-018-1681

What are the manufacturers of nsn 4730010181681?

Does this nsn 4730010181681 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730010181681
A fitting that forms an angle of less that 180 degrees (3.141 radians) from the straight flow. it has 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 may have side and/or heel inlet(s).

Does nsn 4730010181681 contain any precious metals?
Precious metal content is unknown.

Does nsn 4730010181681 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730010181681?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

29668

FIIG:

A080B0

App. Key:

Cond. Code:

Status:

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