Reducing Tube Coupling Nut NSN 4730-01-176-6732

Item Description

A tube coupling nut with the shank end accommodating a smaller tube size than is accommodated by the tube fitting which connects to the threaded end.

NSN: 4730-01-176-6732

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Fabrication Method

Machined

Nut Style

Tube coupling

Nut Height

0.594 inches

Width Across Flats

0.750 inches

Smallest Inside Diameter

0.188 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.438 inches

Tube Outside Diameter

0.250 inches

Seat Angle

45.0 degrees

Criticality Code Justification

Zzzy

Special Features

For navy nuclear propulsion plant products only

Material

Copper alloy

Specification Data

81343-j513 professional/industrial association standard

Nondefinitive Specification/std Data

36a figure

Reference Number Differentiating Characteristics

As differentiated by free from mercury contamination

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

011766732

NSN

4730011766732

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2670-57 ITEM 93

Cage Code:

43689

Status:

MSDS:

Part Number:

J513

Cage Code:

81343

Status:

MSDS:

Part Number:

503-4556027

Cage Code:

43689

Status:

MSDS:

Part Number:

6502977

Cage Code:

43689

Status:

MSDS:

Part Number:

845-2445071ITEM53

Cage Code:

80064

Status:

MSDS:

Part Number:

3-010168B/IRPOD/

Cage Code:

81343

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7415290000
NAICS: 332722
SITC: 69432
Description: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-01-176-6732

What are the manufacturers of nsn 4730011766732?

Huntington Ingalls Incorporated (43689)
Society Of Automotive Engineers Inc (81343)
Naval Ship Systems Command (80064)

Does this nsn 4730011766732 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730011766732
A tube coupling nut with the shank end accommodating a smaller tube size than is accommodated by the tube fitting which connects to the threaded end.

Does nsn 4730011766732 contain any precious metals?
No precious metal content.

Does nsn 4730011766732 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730011766732?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

03860

FIIG:

A021A0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service