8612D51M 20T24PSI

View detailed technical data, stock status, and sourcing information for: 8612D51M 20T24PSI
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-340-0645

Item Name Code

05488

Assigment Date

06/07/1991 (35 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

425.0 fahrenheit single response maximum operating temp, disk flow control device, 0.500 inches all ends nominal pipe size accommodated, socket with brazing ring all ends connection style, 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.

Nominal Pipe Size Accommodated: 0.500 inches all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 425.0 fahrenheit single response
Connection Style: socket with brazing ring all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +20.0 to 24.0 pounds per square inch
Maximum Operating Pressure: 1500.0 pounds per square inch single response
Material: copper alloy bodynickel alloy flow control devicenickel alloy seatnickel alloy stem
Media For Which Designed: steam 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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-01-127-3851	No Name Available	04/01/2009

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
0861201S0020	Safety Relief Valve
8612D51M 20T24PSI	Safety Relief Valve
E8612D51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-340-0645?

The FSCG of the NSN 4820-01-340-0645 is 4820

Does the NSN 4820-01-340-0645 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-340-0645 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 4820-01-340-0645 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-340-0645 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 4820-01-340-0645 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Jun 7, 1991