4820-01-508-4399

Find complete technical information, availability, and procurement data for: 4820-01-508-4399
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-508-4399

Item Name Code

05488

Assigment Date

05/21/2003 (23 years ago)

An item usually in split halves which permits for quick assembly or disassembly without disturbing coupling or shafts. It is designed for when coupling speeds exceed the recommended revolutions per minute (rpm) or when operating under abrasive or moist conditions.

1.500 inches 1st end nominal pipe size accommodated, inside spring bonnet type, spring disk loading method, bolted bonnet attachment method, 2.500 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: 1.500 inches 1st end
Nominal Pipe Size Accommodated: 2.500 inches 2nd end
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Connection Style: socket 1st end
Connection Style: socket 2nd end
Valve Operation Method: automatic or manual
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +464.0 to 520.0 pounds per square inch
Maximum Operating Pressure: 520.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: 2700 kn series relief valve
Material: steel comp 316 body
Material: steel comp 316 flow control device
Material: steel comp 316 stem
Media For Which Designed: gas, natural single response
Style Designator: angle
Furnished Items And Quantity: 1 lever and 2 nut and 2 tailpiece

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
27GC46M-W70/S4	Safety Relief Valve
30173 PN 27GC46M-W70/S4	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-508-4399?

The FSCG of the NSN 4820-01-508-4399 is 4820

Does the NSN 4820-01-508-4399 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-508-4399 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 4820-01-508-4399 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-508-4399 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 4820-01-508-4399 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Wed, May 21, 2003