4820-01-129-5503

Find complete technical information, availability, and procurement data for: 4820-01-129-5503
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-129-5503

Item Name Code

05488

Assigment Date

04/08/1982 (44 years ago)

A self-acting valve designed for controlling, by means of a thermostatic element, the flow of liquids or gases therethrough. The thermostatic element is located in liquid or gas whose temperature is controlled by the heat of the liquid or gas flowing through the valve. See also valve, relief, pressure and temperature.

bolted bonnet attachment method, disk flow control device, outside screw-yoke bonnet type, spring disk loading method, 0.500 inches all ends 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: 0.500 inches all ends
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 180.0 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: +501.0 to 600.0 pounds per square inch
Maximum Operating Pressure: 1500.0 pounds per square inch single response
Special Features: top guided;elastic stop nut
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: nickel alloy seat
Media For Which Designed: gas, inert single response
Style Designator: angle

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
BEMBB12SCC	Safety Relief Valve
E8714Z51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-129-5503?

The FSCG of the NSN 4820-01-129-5503 is 4820

Does the NSN 4820-01-129-5503 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-129-5503 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 4820-01-129-5503 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-129-5503 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 4820-01-129-5503 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Apr 8, 1982