4820-01-490-7766

Find complete technical information, availability, and procurement data for: 4820-01-490-7766
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-490-7766

Item Name Code

05488

Assigment Date

10/05/2001 (24 years ago)

A grouping of two or more physically connected or related electrical an/or electronic parts capable of dissassemblage. Each component of the assemblage must be capable of functioning in accordance with its own item name. Consists of a single printed circuit board or terminal board upon which are mounted separately manufactured electronic components such as capacitors, inductors, resistors, and the like. It may also include printed electronic components. The item is generally part of a subassembly and cannot be assigned a more definite item name. For items having a complete individual electrical/electronic function, use applicable item name such as amplifier (as modified); power supply; or the like. For items not having a complete individual electrical/electronic function, see applicable subassembly name, such as amplifier subassembly; power supply subassembly; or the like. For an assembly of electrical/electronic components mounted on other than a single printed wiring board, see electronic components assembly. Excludes:printed circuit board

right-hand all ends thread direction, poppet flow control device, 3a all ends thread class, spring disk loading method, 250.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: flareless (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 16 all ends
Adjustable Pressure Range: +50.0 to 69.0 pounds per square inch
Maximum Operating Pressure: 2400.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Seat Angle: 12.0 degrees all ends
Opening Pressure Setting: 50.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Special Features: valve size 1/2 in.
Material: aluminum alloy 2024 body
Material: rubber butadiene-acrylonitrile class nbr flow control device
Media For Which Designed: air 1st response
Media For Which Designed: ethylene glycol 2nd response
Media For Which Designed: fuel/oil, hydrocarbon 3rd response
Style Designator: straight thru note: to be used for valve bodies of separable sections.
Thread Series Designator: unjf 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
5159A-8EE-50	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-490-7766?

The FSCG of the NSN 4820-01-490-7766 is 4820

Does the NSN 4820-01-490-7766 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-490-7766 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 4820-01-490-7766 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-490-7766 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 4820-01-490-7766 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Fri, Oct 5, 2001