4730-00-202-6538

Find complete technical information, availability, and procurement data for: 4730-00-202-6538
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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

4730-00-202-6538

Item Name Code

03859

Assigment Date

01/01/1961 (65 years ago)

right-hand thread direction, tube coupling nut style, 0.747 inches nominal width across flats, 0.810 inches nominal nut height, 3b 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: 3b
Thread Direction: right-hand
Nut Style: tube coupling
Nut Height: 0.810 inches nominal
Width Across Flats: 0.747 inches nominal
Length To Shoulder: 0.670 inches nominal
Smallest Inside Diameter: 0.360 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 inches
Nominal Tube Outside Diameter: 0.250 inches
Seat Angle: 45.00 degrees nominal
Material: steel comp 303 or steel comp 303se or steel comp 303 plus x overall
Material Document And Classification: ams 5640 assn std all material responses overall

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
227404	Tube Coupling Nut

FAQs

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

What is the FSCG of the NSN 4730-00-202-6538?

The FSCG of the NSN 4730-00-202-6538 is 4730

Does the NSN 4730-00-202-6538 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 4730-00-202-6538 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 4730-00-202-6538 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-202-6538 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 4730-00-202-6538 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961