4820-01-481-1838

Find complete technical information, availability, and procurement data for: 4820-01-481-1838
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-481-1838

Item Name Code

05488

Assigment Date

12/20/2000 (25 years ago)

An indicator unit on which computer information is visually displayed. Indication of data may be achieved by cathode ray tubes, plasma display, light emitting diodes, crystal display or the like. For items which also include an input section such as a keyboard, cursor, or rolling ball, see terminal, data processing.

150.0 fahrenheit single response maximum operating temp, bolted bonnet attachment method, spring disk loading method, inside spring bonnet type, 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
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Maximum Operating Temp: 150.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Adjustable Pressure Range: +10.0 to 14.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: 1/2 inch relief valve, type 1241-t and 1251-t
Special Features: this valve is approximately 10.625 inches tall and requires 2 inches clearance for disassembly. the cited drawing number was originally kunkle valves (cage 34494) which was purchased by anderson greenwood (cage 01343).
Media For Which Designed: air 1st response
Media For Which Designed: water, fresh 2nd response
Furnished Items And Quantity: 1 wrench

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
8573B51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-481-1838?

The FSCG of the NSN 4820-01-481-1838 is 4820

Does the NSN 4820-01-481-1838 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-481-1838 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 4820-01-481-1838 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-481-1838 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 4820-01-481-1838 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Wed, Dec 20, 2000