4730-01-221-7753

Find complete technical information, availability, and procurement data for: 4730-01-221-7753
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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

4730-01-221-7753

Item Name Code

03772

Assigment Date

12/03/1985 (40 years ago)

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

3.440 inches nominal 2nd end leg length, 0.550 inches nominal 1st end leg length, crimped (hose) 2nd end connection style, 3b 1st end thread class, swivel nut, flare (tube) style 3 optional end 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: 3b 1st end
Connection Style: swivel nut, flare (tube) style 3 optional end 1st end
Connection Style: crimped (hose) 2nd end
Leg Length: 0.550 inches nominal 1st end
Leg Length: 3.440 inches nominal 2nd end
Connection Type: threaded internal tube 1st end
Connection Type: unthreaded internal hose 2nd end
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees and 45.0 degrees 1st end
Flow Angle: 45.0 degrees
Nominal Inside Diameter Hose Accommodated: 0.500 inches 2nd end
Nominal Outside Diameter Hose Accommodated: 0.938 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: steel overall
Thread Series Designator: unf 1st 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
08U688	Tube to Hose Elbow
1GA8FJA8	Tube to Hose Elbow
FC9138-0808S	Tube to Hose Elbow

FAQs

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

What is the FSCG of the NSN 4730-01-221-7753?

The FSCG of the NSN 4730-01-221-7753 is 4730

Does the NSN 4730-01-221-7753 have a Schedule B code assigned?

Yes, the Schedule B code is 7307929000

Does NSN 4730-01-221-7753 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 4730-01-221-7753 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-221-7753 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 4730-01-221-7753 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Dec 3, 1985