313840

View detailed technical data, stock status, and sourcing information for: 313840

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313840
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-534-7158
Item Name Code
05488
Assigment Date
01/01/1963 (63 years ago)

3b 1st end thread class, right-hand 1st end thread direction, 6.0 gallons per minute valve discharge flow rate, poppet flow control device, spring disk loading method

Product Characteristics

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

Thread Class
3b 1st end
Thread Direction
right-hand 1st end
Flow Control Device
poppet
Disk Loading Method
spring
Valve Discharge Flow Rate
6.0 gallons per minute
Connection Style
gasket seal(boss) 1st end
Valve Operation Method
automatic
Connection Type
threaded internal boss 1st end
Features Provided
pressure tight outlet side
Thread Quantity Per Inch
16 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Nominal Thread Size
0.750 inches 1st end
Opening Pressure Setting
1805.0 pounds per square inch
Material
aluminum alloy seat
Material
aluminum alloy body
Media For Which Designed
fuel/oil, hydrocarbon single response
Thread Series Designator
unjf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
1650-00-593-5142 No Name Available 01/01/1960
1650-00-696-3776 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
26715-8 Safety Relief Valve
313840 Safety Relief Valve
52001-82 Safety Relief Valve
A6020-15 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-534-7158?
The FSCG of the NSN 4820-00-534-7158 is 4820
Does the NSN 4820-00-534-7158 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-534-7158 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-00-534-7158 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-534-7158 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 4820-00-534-7158 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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