4730-01-083-5853

Find complete technical information, availability, and procurement data for: 4730-01-083-5853
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

National Stock Number

4730-01-083-5853

Item Name Code

08506

Assigment Date

09/26/1979 (46 years ago)

A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes:bushing (as modified).

3a 2nd end thread class, flared (tube) 2nd end connection style, concentric reducer type, flared (tube) 1st end connection style, 3a 1st end thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a 1st end
Thread Class: 3a 2nd end
Reducer Type: concentric
Connection Style: flared (tube) 1st end
Connection Style: flared (tube) 2nd end
Connection Type: threaded external tube 2nd end
Connection Type: threaded external tube 1st end
Thread Quantity Per Inch: 12 1st end
Nominal Thread Size: 1.625 inches 1st end
Nominal Thread Size: 0.438 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Nominal Outside Diameter Tube Accommodated: 0.250 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 1.250 inches 1st end
Nominal Overall Length: 1.508 inches
Special Features: machined groove in flared ends to accommodate seal rings per kc103
Material: steel comp 316 overall
Material Document And Classification: qq-s-763,cl 316 fed spec single material response overall
Surface Treatment: passivate overall
Thread Series Designator: un 1st end
Thread Series Designator: unf 2nd end

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
AS1368K2004	Tube Reducer
KC125C20-4	Tube Reducer
KC125K20-4	Tube Reducer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4730-01-083-5853?

The FSCG of the NSN 4730-01-083-5853 is 4730

Does the NSN 4730-01-083-5853 have a Schedule B code assigned?

Yes, the Schedule B code is 7307994000

Does NSN 4730-01-083-5853 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4730-01-083-5853 contain precious materials?

Precious metal content is unknown

Does NSN 4730-01-083-5853 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4730-01-083-5853 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Sep 26, 1979