4730-01-397-5706

Find complete technical information, availability, and procurement data for: 4730-01-397-5706
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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

4730-01-397-5706

Item Name Code

08506

Assigment Date

10/13/1994 (31 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).

3b 1st end thread class, flareless (tube) 2nd end connection style, 3a 2nd end thread class, concentric reducer type, swivel nut, flareless (swivel nut attachment method optional) (tube) 1st end connection style

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 2nd end
Thread Class: 3b 1st end
Reducer Type: concentric
Connection Style: swivel nut, flareless (swivel nut attachment method optional) (tube) 1st end
Connection Style: flareless (tube) 2nd end
Connection Type: threaded external tube 2nd end
Connection Type: threaded internal tube 1st end
Thread Quantity Per Inch: 12 1st end
Nominal Thread Size: 0.750 inches 2nd end
Nominal Thread Size: 1.312 inches 1st end
Seat Angle: 12.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.500 inches 2nd end
Nominal Overall Length: 2.043 inches
Material: steel corrosion resisting overall
Material Document And Classification: ams5659 fed spec single material response overall
Thread Series Designator: unj 1st end
Thread Series Designator: unjf 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
17G450074-9	Tube Reducer

FAQs

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

What is the FSCG of the NSN 4730-01-397-5706?

The FSCG of the NSN 4730-01-397-5706 is 4730

Does the NSN 4730-01-397-5706 have a Schedule B code assigned?

Yes, the Schedule B code is 7307290000

Does NSN 4730-01-397-5706 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 4730-01-397-5706 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-397-5706 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 4730-01-397-5706 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Thu, Oct 13, 1994