1022356-3REVB

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-761-4189

Item Name Code

05488

Assigment Date

01/01/1960 (66 years ago)

An item of any peripheral shape having flanges or groove(s) on its outer perimeter to provide a self-retaining characteristic when inserted in a hole, clamp, or the like. Designed for the purpose of protecting and/or insulating wires, cables and other items passing through it. Excludes:bushing, nonmetallic; bumper; and insulator bushing.

disk flow control device, spring disk loading method, right-hand all ends thread direction, inside spring bonnet type, integral 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.

Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Maximum Operating Temp: 225.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +40.0 to 125.0 pounds per square inch
Maximum Operating Pressure: 3600.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Opening Pressure Setting: 90.0 pounds per square inch
Material: copper alloy body
Material: steel comp 303 flow control device
Material: steel comp 303 seat
Material Document And Classification: fed std 66 fed std single material response flow control device
Material Document And Classification: fed std 66 fed std single material response seat
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 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
1022356-3REVB	Safety Relief Valve
632B-3-3/8-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-761-4189?

The FSCG of the NSN 4820-00-761-4189 is 4820

Does the NSN 4820-00-761-4189 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-761-4189 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 4820-00-761-4189 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-761-4189 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 4820-00-761-4189 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960