140S2-8D

View detailed technical data, stock status, and sourcing information for: 140S2-8D

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140S2-8D
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
National Stock Number
4730-00-202-9400
Item Name Code
18281
Assigment Date
01/01/1961 (65 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 external or internal thread for connecting a mating part to form a self-sealing coupling assembly. The fitting has either a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half, or, if it has no self-sealing feature, is specifically designed to mate with a fitting with a self-sealing feature. For self-sealing fittings with a quick disconnect end, see coupling half, quick disconnect. For fluid line fittings without a self-sealing feature, see coupling (as modified).

3a all ends thread class, threaded external tube first fluid end connection connection type, flared all ends connection style, self-sealing features provided, 2.488 inches minimum and 2.558 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
2.488 inches minimum and 2.558 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
0.750 inches all ends
Seat Angle
37.0 degrees
Material
steel body
Surface Treatment
cadmium 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Below is a list of NSNs that have been officially superseded by this NSN: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
4730-00-433-2548 No Name Available 01/01/1961

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
140S2-8D Self-Sealing Coupling Half
AN6220-8 Self-Sealing Coupling Half

FAQs

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

What is the FSCG of the NSN 4730-00-202-9400?
The FSCG of the NSN 4730-00-202-9400 is 4730
Does the NSN 4730-00-202-9400 have a Schedule B code assigned?
Yes, the Schedule B code is 7307199030
Does NSN 4730-00-202-9400 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 4730-00-202-9400 contain precious materials?
Precious metal content is unknown
Does NSN 4730-00-202-9400 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 4730-00-202-9400 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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