4730-00-438-5281

Find complete technical information, availability, and procurement data for: 4730-00-438-5281
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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

4730-00-438-5281

Item Name Code

18681

Assigment Date

12/03/1969 (56 years ago)

6 bolt hole quantity, round first quick disconnect end basic shape style, 3a all ends thread class, twist-lock all ends quick disconnect method, 2.620 inches minimum and 2.645 inches maximum overall length

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
Overall Length: 2.620 inches minimum and 2.645 inches maximum
Quick Disconnect Method: twist-lock all ends
Bolt Hole Quantity: 6
Basic Shape Style: round first quick disconnect end
Connection Style: flared all ends
Leg Length: 1.125 inches nominal
Connection Type: internal quick disconnect all ends
Connection Type: threaded external tube first fluid end connection
Features Provided: self-sealing
Nominal Thread Size: 0.562 inches all ends
Mounting Flange Location: second leg
Seat Angle: 37.0 degrees
Nominal Outside Diameter: 1.605 inches
Nominal Thickness: 0.050 inches
Bolt Hole Nominal Diameter: 0.201 inches
Bolt Circle Nominal Diameter: 1.687 inches
Nominal Outside Diameter Tube Accommodated: 0.375 inches all ends
Material: aluminum alloy body
Material Document And Classification: qq-a-225/6 fed spec single material response body
Surface Treatment: anodize body
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response 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
340257-6	Quick Disconnect Coupling Half

FAQs

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

What is the FSCG of the NSN 4730-00-438-5281?

The FSCG of the NSN 4730-00-438-5281 is 4730

Does the NSN 4730-00-438-5281 have a Schedule B code assigned?

Yes, the Schedule B code is 7609000000

Does NSN 4730-00-438-5281 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 4730-00-438-5281 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-438-5281 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 4730-00-438-5281 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Dec 3, 1969