4820-00-289-3881

Find complete technical information, availability, and procurement data for: 4820-00-289-3881
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-3881

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

spring disk loading method, round with holes all ends flange shape, 250.0 fahrenheit single response maximum operating temp, 8 all ends bolt hole quantity, flange all ends connection type

Product Characteristics

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

Disk Loading Method: spring
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 250.0 fahrenheit single response
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +75.0 to 90.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 9.000 inches all ends
Nominal Thickness: 0.500 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 7.500 inches all ends
Flange Face Design: plain all ends
Special Features: w/lifting lever
Material: copper alloy body
Media For Which Designed: water, fresh single response
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-289-0773	No Name Available	01/01/1963

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
1701B 4IN 75T90PSI FLGE	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-3881?

The FSCG of the NSN 4820-00-289-3881 is 4820

Does the NSN 4820-00-289-3881 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-3881 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 4820-00-289-3881 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-289-3881 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 4820-00-289-3881 was assigned to the Federal Catalog?

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