4730-01-131-3843

Find complete technical information, availability, and procurement data for: 4730-01-131-3843
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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

4730-01-131-3843

Item Name Code

18681

Assigment Date

05/11/1982 (44 years ago)

A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt, fluid passage on one end. The other end must have an internal or external quick disconnect feature for connecting a mating part to form a quick disconnect coupling assembly. The fitting may incorporate a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half. For self-sealing fittings with an external or internal threaded disconnect end, see coupling half, self-sealing. See also, connector, multiple, fluid pressure line.

0.750 inches all ends quick disconnect nominal size, spring push-pull all ends quick disconnect method, flared all ends connection style, aircraft, hornet f/a-18 end item identification, 3a all ends 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 all ends
Quick Disconnect Method: spring push-pull all ends
Quick Disconnect Nominal Size: 0.750 inches all ends
End Item Identification: aircraft, hornet f/a-18
Connection Style: flared all ends
Connection Type: external quick disconnect first quick disconnect end
Connection Type: threaded external tube first fluid end connection
Features Provided: self-sealing
Thread Quantity Per Inch: 12 first quick disconnect end
Nominal Thread Size: 1.062 inches all ends
Seat Angle: 37.0 degrees
Criticality Code Justification: feat
Nominal Outside Diameter Tube Accommodated: 0.750 inches all ends
Special Features: weapon system essential
Material: steel body
Material Document And Classification: ams5643 assn std single material response body
Surface Treatment: passivate body
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response body
Style Designator: male coupling half
Thread Series Designator: unj 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
AE88776K	Quick Disconnect Coupling Half
ST7M416N12M-1	Quick Disconnect Coupling Half

FAQs

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

What is the FSCG of the NSN 4730-01-131-3843?

The FSCG of the NSN 4730-01-131-3843 is 4730

Does the NSN 4730-01-131-3843 have a Schedule B code assigned?

Yes, the Schedule B code is 7307199030

Does NSN 4730-01-131-3843 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 4730-01-131-3843 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-131-3843 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 4730-01-131-3843 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, May 11, 1982