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4820-00-289-0912

Find complete technical information, availability, and procurement data for: 4820-00-289-0912

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4820-00-289-0912
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-289-0912
Item Name Code
05488
Assigment Date
01/01/1963 (63 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

right-hand 1st end thread direction, 0.750 inches 1st end nominal pipe size accommodated, disk flow control device, right-hand 2nd end thread direction, 0.750 inches 2nd end nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated
0.750 inches 1st end
Nominal Pipe Size Accommodated
0.750 inches 2nd end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Flow Control Device
disk
Bonnet Type
inside screw
Bonnet Attachment Method
integral
Disk Loading Method
spring
Maximum Operating Temp
400.0 fahrenheit single response
Connection Style
plain (pipe) 2nd end
Connection Style
plain,optional end(pipe) 1st end
Valve Operation Method
automatic or manual
Connection Type
threaded external pipe 2nd end
Connection Type
threaded internal pipe 1st end
Features Provided
pressure tight outlet side
Adjustable Pressure Range
+61.0 to 120.0 pounds per square inch
Maximum Operating Pressure
250.0 pounds per square inch single response
Nominal Thread Size
0.750 inches 2nd end
Nominal Thread Size
0.750 inches 1st end
Material
copper alloy 836 body
Material
copper alloy 836 seat
Material
copper alloy flow control device
Material
steel stem
Material Document And Classification
qq-c-390,alloyb5/d/ fed spec single material response body
Material Document And Classification
qq-c-390,alloyb5/d/ fed spec single material response seat
Media For Which Designed
water, fresh single response
Style Designator
angle
Thread Series Designator
npt 2nd end
Thread Series Designator
npt 1st end

Replaces National Stock Numbers

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

NSN Name Date
4820-00-289-0910 No Name Available 01/01/1992

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
23-M Safety Relief Valve
913BDDM01-JE-0060 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-0912?
The FSCG of the NSN 4820-00-289-0912 is 4820
Does the NSN 4820-00-289-0912 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-289-0912 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 4820-00-289-0912 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-289-0912 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 4820-00-289-0912 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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