140S1-6D

View detailed technical data, stock status, and sourcing information for: 140S1-6D
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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

4730-00-203-0316

Item Name Code

18281

Assigment Date

01/01/1963 (63 years ago)

3a all ends thread class, 1.659 inches minimum and 1.729 inches maximum overall length, threaded external tube first fluid end connection connection type, flared all ends connection style, self-sealing features provided

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: 1.659 inches minimum and 1.729 inches maximum
Connection Style: flared all ends
Connection Type: threaded external tube first fluid end connection
Features Provided: self-sealing
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches all ends
Seat Angle: 37.0 degrees
Material: aluminum alloy body
Surface Treatment: anodize body
Style Designator: male coupling half
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4730-00-618-7157	No Name Available	01/01/1960

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
140S1-6D	Self-Sealing Coupling Half
AN6221-6	Self-Sealing Coupling Half

FAQs

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

What is the FSCG of the NSN 4730-00-203-0316?

The FSCG of the NSN 4730-00-203-0316 is 4730

Does the NSN 4730-00-203-0316 have a Schedule B code assigned?

Yes, the Schedule B code is 7609000000

Does NSN 4730-00-203-0316 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 4730-00-203-0316 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-203-0316 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 4730-00-203-0316 was assigned to the Federal Catalog?

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