1030-20-1580

View detailed technical data, stock status, and sourcing information for: 1030-20-1580
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-768-6349

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

right-hand all ends thread direction, 3.5 gallons per minute valve discharge flow rate, piston flow control device, spring disk loading method, 3b all ends thread class

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 all ends
Thread Direction: right-hand all ends
Flow Control Device: piston
Disk Loading Method: spring
Valve Discharge Flow Rate: 3.5 gallons per minute
Maximum Operating Temp: 160.0 fahrenheit single response
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Facility: threaded fastener
Features Provided: pressure tight outlet side
Maximum Operating Pressure: 1760.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches all ends
Opening Pressure Setting: 1580.0 pounds per square inch
Material: aluminum alloy body
Material: steel flow control device
Material: steel seat
Material: steel stem
Media For Which Designed: hydraulic fluid, phosphate-ester base single response
Style Designator: angle w/offset
Thread Series Designator: unf 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
1030-20	Safety Relief Valve
1030-20-1580	Safety Relief Valve
4820PL0816865	Safety Relief Valve
695862	Safety Relief Valve
695862-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-768-6349?

The FSCG of the NSN 4820-00-768-6349 is 4820

Does the NSN 4820-00-768-6349 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-768-6349 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-768-6349 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-768-6349 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 4820-00-768-6349 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962