4730-00-618-9050

Find complete technical information, availability, and procurement data for: 4730-00-618-9050

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4730-00-618-9050
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
National Stock Number
4730-00-618-9050
Item Name Code
18281
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 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, flareless all ends connection style, threaded external tube first fluid end connection connection type, self-sealing features provided, 3.131 inches nominal 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
3.131 inches nominal
Connection Style
flareless all ends
Connection Type
threaded external tube first fluid end connection
Features Provided
self-sealing
Thread Quantity Per Inch
12 all ends
Maximum Operating Pressure
1000.0 pounds per square inch single response
Nominal Thread Size
1.312 inches all ends
Seat Angle
37.0 degrees
Special Features
bulkhead threads on fluid end connection
Material
aluminum alloy body
Surface Treatment
anodize body
Style Designator
male coupling half
Thread Series Designator
un all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4730-00-632-4867 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
145S11-16D Self-Sealing Coupling Half

FAQs

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

What is the FSCG of the NSN 4730-00-618-9050?
The FSCG of the NSN 4730-00-618-9050 is 4730
Does the NSN 4730-00-618-9050 have a Schedule B code assigned?
Yes, the Schedule B code is 7609000000
Does NSN 4730-00-618-9050 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 4730-00-618-9050 contain precious materials?
Precious metal content is unknown
Does NSN 4730-00-618-9050 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 4730-00-618-9050 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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