Tube Coupling Nut NSN 4730-00-554-8020

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: 4730-00-554-8020

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Fabrication Method

Machined

Nut Style

Tube coupling

Nut Height

Between 1.040 inches and 1.060 inches

End Application

Aircraft application; used on gun, field artillery, 175 mm, m107 and howitzer, heavy, 8-inch, m110/m110a1

Width Across Flats

1.500 inches

Length To Shoulder

Between 0.677 inches and 0.697 inches

Smallest Inside Diameter

Between 1.074 inches and 1.079 inches

Thread Series

Thready Qty Per Inch (tpi)

Thread Size

1.312 inches

Tube Outside Diameter

1.000 inches

Seat Angle

45.00 degrees

Material

Steel

Material Specification

Mil-s-13433, type 1 military specification single material response

Surface Treatment

Cadmium

Specification Data

96906-ms21921 government standard

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

005548020

NSN

4730005548020

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

AS21921

Cage Code:

81343

Status:

MSDS:

Part Number:

AS18280

Cage Code:

81343

Status:

MSDS:

Part Number:

AP2109T16

Cage Code:

01673

Status:

MSDS:

Part Number:

202-21600W16

Cage Code:

80378

Status:

MSDS:

Part Number:

MS21921-16

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: 7318160000
NAICS: 332722
SITC: 69421
Description: Nuts of iron or steel
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-554-8020

What are the manufacturers of nsn 4730005548020?

Society Of Automotive Engineers Inc (81343)
Sps Technologies, Llc (01673)
Triumph Aerostructures, Llc (80378)
Military Standards (96906)

Does this nsn 4730005548020 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730005548020
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 4730005548020 contain any precious metals?
Precious metal content is unknown.

Does nsn 4730005548020 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730005548020?
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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Certificate of Conformance
Quality Inspected Parts
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