4730-00-683-8743

Find complete technical information, availability, and procurement data for: 4730-00-683-8743
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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

4730-00-683-8743

Item Name Code

03771

Assigment Date

01/01/1963 (63 years ago)

flareless (tube) 2nd end connection style, 0.940 inches nominal 2nd end leg length, 3b 1st end thread class, swivel nut inverted flare (tube) 1st end connection style, 3a 2nd 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 2nd end
Thread Class: 3b 1st end
Connection Style: swivel nut inverted flare (tube) 1st end
Connection Style: flareless (tube) 2nd end
Leg Length: 0.940 inches nominal 2nd end
Leg Length: 1.030 inches nominal 1st end
Connection Type: threaded external tube 2nd end
Connection Type: threaded internal tube 1st end
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 24.0 degrees 2nd end
Seat Angle: 45.0 degrees 1st end
Flow Angle: 90.0 degrees
Nominal Outside Diameter Tube Accommodated: 0.250 inches all ends
Material: steel or steel comp 12l14 overall
Media For Which Designed: fluid single response
Surface Treatment: cadmium overall
Thread Series Designator: unf all ends

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
4190-578013	Tube Elbow
4910-578013	Tube Elbow

FAQs

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

What is the FSCG of the NSN 4730-00-683-8743?

The FSCG of the NSN 4730-00-683-8743 is 4730

Does the NSN 4730-00-683-8743 have a Schedule B code assigned?

Yes, the Schedule B code is 7307929000

Does NSN 4730-00-683-8743 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 4730-00-683-8743 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-683-8743 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 4730-00-683-8743 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963