4730-00-033-4546

Find complete technical information, availability, and procurement data for: 4730-00-033-4546
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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

4730-00-033-4546

Item Name Code

18681

Assigment Date

01/01/1963 (63 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.

twist-lock all ends quick disconnect method, 3a all ends thread class, 6 bolt hole quantity, 2.534 inches nominal overall length, chain and cap and lock spring furnished items

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
Furnished Items: chain and cap and lock spring
Overall Length: 2.534 inches nominal
Quick Disconnect Method: twist-lock all ends
Bolt Hole Quantity: 6
Basic Shape Style: round first quick disconnect end
Connection Style: flareless all ends
Connection Type: external quick disconnect first quick disconnect end
Connection Type: threaded external tube first fluid end connection
Features Provided: safety locking feature and self-sealing
Nominal Thread Size: 0.562 inches all ends
Mounting Flange Location: first leg
Seat Angle: 37.0 degrees
Nominal Outside Diameter: 2.010 inches
Bolt Hole Nominal Diameter: 0.201 inches
Bolt Circle Nominal Diameter: 1.690 inches
Nominal Outside Diameter Tube Accommodated: 0.375 inches all ends
Material: aluminum alloy body
Surface Treatment: anodize body
Style Designator: male coupling half
Thread Series Designator: unf 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
3055S11-6D	Quick Disconnect Coupling Half
3065S11-6D	Quick Disconnect Coupling Half

FAQs

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

What is the FSCG of the NSN 4730-00-033-4546?

The FSCG of the NSN 4730-00-033-4546 is 4730

Does the NSN 4730-00-033-4546 have a Schedule B code assigned?

Yes, the Schedule B code is 7609000000

Does NSN 4730-00-033-4546 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 4730-00-033-4546 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-033-4546 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 4730-00-033-4546 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963