4820-01-233-4773

Find complete technical information, availability, and procurement data for: 4820-01-233-4773
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-233-4773

Item Name Code

05488

Assigment Date

05/30/1986 (40 years ago)

A switch which is externally actuated by a thumbwheel and/or pushbutton. A legend or message is visually displayed at each position of the indicating wheel which corresponds to electrically coded output. Electrically coded output is achieved by rotating a set of brush contacts permanently attached to the code indicating wheel, against a stationary commutator which is usually a printed wiring board having electrical pads or contacts which are interconnected by the rotating brush contacts. May have additional electrical components (such as resistors, capacitors, diodes) premounted on that portion of printed wiring board which extends beyond the back of switch housing.

4 all ends bolt hole quantity, piston flow control device, spring disk loading method, inside spring bonnet type, threaded bonnet attachment method

Product Characteristics

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

Flow Control Device: piston
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.250 inches
Adjustable Pressure Range: +30.0 to 100.0 pounds per square inch
Nominal Outside Diameter: 5.250 inches all ends
Nominal Thickness: 0.750 inches all ends
First Connection Face To Centerline Distance: 3.750 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 3.750 inches
Bolt Circle Nominal Diameter: 3.875 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 2.500 inches all ends
Material: copper alloy body
Style Designator: angle flanged 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
916772	Safety Relief Valve
A-5509	Safety Relief Valve
H-8205 ITEM 596	Safety Relief Valve
VBF-6RWS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-233-4773?

The FSCG of the NSN 4820-01-233-4773 is 4820

Does the NSN 4820-01-233-4773 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-233-4773 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 4820-01-233-4773 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-233-4773 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 4820-01-233-4773 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, May 30, 1986