4730-01-257-3698

Find complete technical information, availability, and procurement data for: 4730-01-257-3698
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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

4730-01-257-3698

Item Name Code

03770

Assigment Date

06/17/1987 (39 years ago)

1.130 inches nominal 1st end leg length, inverted flare (tube) 1st end connection style, 0.875 inches nominal 2nd end leg length, 2a 1st end thread class, plain (pipe) 2nd 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: 2a 1st end
Connection Style: inverted flare (tube) 1st end
Connection Style: plain (pipe) 2nd end
Leg Length: 0.875 inches nominal 2nd end
Leg Length: 1.130 inches nominal 1st end
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Nominal Thread Size: 0.125 inches 2nd end
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 37.0 degrees 1st end
Flow Angle: 90.0 degrees
Nominal Outside Diameter Tube Accommodated: 0.375 inches 1st end
Material: steel corrosion resisting overall
Thread Series Designator: npt 2nd end
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
SS-4-VCR-2-2	Pipe to Tube Elbow

FAQs

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

What is the FSCG of the NSN 4730-01-257-3698?

The FSCG of the NSN 4730-01-257-3698 is 4730

Does the NSN 4730-01-257-3698 have a Schedule B code assigned?

Yes, the Schedule B code is 7307225000

Does NSN 4730-01-257-3698 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 4730-01-257-3698 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-257-3698 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 4730-01-257-3698 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jun 17, 1987