Tube Coupling Nut NSN 4730-01-181-1122

Item Description

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

NSN: 4730-01-181-1122

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Fabrication Method

Forged

Nut Style

Tube coupling

Nut Height

0.590 inches

Width Across Flats

0.625 inches

Length To Shoulder

0.440 inches

Smallest Inside Diameter

Between 0.255 inches and 0.260 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

Material

Copper alloy

Reference Number Differentiating Characteristics

Free of mercury contamination for nuclear propulsion plants

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

011811122

NSN

4730011811122

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2670-57 ITEM 34

Cage Code:

43689

Status:

MSDS:

Part Number:

2670-57

Cage Code:

43689

Status:

MSDS:

Part Number:

503-4556027 ITEM 34

Cage Code:

43689

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 4730-01-181-1122

What are the manufacturers of nsn 4730011811122?

Huntington Ingalls Incorporated (43689)

Does this nsn 4730011811122 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730011811122
An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. excludes nut (1), tube coupling, reducing; and nut (1), union.

Does nsn 4730011811122 contain any precious metals?
No precious metal content.

Does nsn 4730011811122 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730011811122?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

03859

FIIG:

A021A0

App. Key:

Cond. Code:

Status:

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