4820-01-252-3767

Find complete technical information, availability, and procurement data for: 4820-01-252-3767
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-252-3767

Item Name Code

05488

Assigment Date

04/01/1987 (39 years ago)

An item with one mounting end and one free flowing end with a metal to metal valve closure. It is designed to drain fluids from radiators, boilers, and similar items.

inside spring bonnet type, disk flow control device, 300.0 fahrenheit single response maximum operating temp, integral bonnet attachment method, right-hand all ends thread direction

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 1200.0 pounds per square inch single response
Nominal Thread Size: 1.500 inches all ends
Opening Pressure Setting: 300.0 pounds per square inch
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy stem
Material: plastic polytetrafluoroethylene packing
Media For Which Designed: hydraulic fluid, mineral base single response
Style Designator: angle
Thread Series Designator: npt 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
0020-G01-MC00300	Safety Relief Valve
0020-G01-MG0300	Safety Relief Valve
FIG 20 1 1/2IN	Safety Relief Valve
FIG 20 1.50IN	Safety Relief Valve
FIG 20-1 1.50IN	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-252-3767?

The FSCG of the NSN 4820-01-252-3767 is 4820

Does the NSN 4820-01-252-3767 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-252-3767 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 4820-01-252-3767 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-252-3767 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 4820-01-252-3767 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Apr 1, 1987