4730-01-218-4000

Find complete technical information, availability, and procurement data for: 4730-01-218-4000
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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

4730-01-218-4000

Item Name Code

03860

Assigment Date

10/11/1985 (40 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

3b thread class, right-hand thread direction, 0.724 inches nominal nut height, tube coupling nut style, machined fabrication method

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
Fabrication Method: machined
Nut Style: tube coupling
Nut Height: 0.724 inches nominal
Width Across Flats: 0.688 inches nominal
Length To Shoulder: 0.603 inches nominal
Smallest Inside Diameter: 0.441 inches nominal
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.562 inches
Nominal Tube Outside Diameter: 0.682 inches
Hole Configuration Style: configuration a
Seat Angle: 12.0 degrees minimum and 18.0 degrees maximum
Special Features: u/o lgm118a
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-225/6 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,type 111,class 1 mil spec single treatment response 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
106001-001	Reducing Tube Coupling Nut

FAQs

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

What is the FSCG of the NSN 4730-01-218-4000?

The FSCG of the NSN 4730-01-218-4000 is 4730

Does the NSN 4730-01-218-4000 have a Schedule B code assigned?

Yes, the Schedule B code is 7616106000

Does NSN 4730-01-218-4000 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 4730-01-218-4000 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-218-4000 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 4730-01-218-4000 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Oct 11, 1985