A19746

View detailed technical data, stock status, and sourcing information for: A19746
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-1859

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

automatic valve operation method, 4 all ends bolt hole quantity, piston flow control device, 450.0 fahrenheit single response maximum operating temp, 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.

Flow Control Device: piston
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 450.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +10.0 to 40.0 pounds per square inch
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Outside Diameter: 4.875 inches all ends
Nominal Thickness: 0.062 inches all ends
First Connection Face To Centerline Distance: 3.500 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 3.500 inches
Bolt Circle Nominal Diameter: 3.500 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 2.000 inches all ends
Material: copper alloy overall
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: angle flanged 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:

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A19746	Safety Relief Valve
D27359PC362	Safety Relief Valve
D29950PC362	Safety Relief Valve
D30390PC387	Safety Relief Valve
D30597PC362	Safety Relief Valve
D31210PC387	Safety Relief Valve
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S6100-465297PC387	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-1859?

The FSCG of the NSN 4820-00-289-1859 is 4820

Does the NSN 4820-00-289-1859 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-1859 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 4820-00-289-1859 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-1859 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 4820-00-289-1859 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963