X139T2-125

View detailed technical data, stock status, and sourcing information for: X139T2-125
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-420-6684

Item Name Code

05488

Assigment Date

02/02/1972 (54 years ago)

spring disk loading method, disk flow control device, integral bonnet attachment method, right-hand all ends thread direction, exposed spring bonnet type

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: exposed spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Valve Discharge Flow Rate: 169.0 cubic meters per minute
Valve Operation Method: automatic
Connection Type: threaded cartridge all ends
Nominal Thread Size: 0.500 inches all ends
Material: copper alloy body
Thread Series Designator: npt 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
X1396T2-125	Safety Relief Valve
X139T2-125	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-420-6684?

The FSCG of the NSN 4820-00-420-6684 is 4820

Does the NSN 4820-00-420-6684 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-420-6684 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 4820-00-420-6684 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-420-6684 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 4820-00-420-6684 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Feb 2, 1972