632B3 1-4 2

View detailed technical data, stock status, and sourcing information for: 632B3 1-4 2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-163-0226

Item Name Code

05488

Assigment Date

11/12/1971 (54 years ago)

poppet flow control device, inside screw bonnet type, right-hand all ends thread direction, threaded bonnet attachment method, 0.250 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: 0.250 inches all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: bonnet packing and pressure tight outlet side
Adjustable Pressure Range: +40.0 to 125.0 pounds per square inch
Maximum Operating Pressure: 3100.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 90.0 pounds per square inch
Material: copper alloy body
Material: rubber butadiene-acrylonitrile class nbr seat
Material: steel comp 316 flow control device
Material Document And Classification: fedstd66,aisi316/sae30316 fed std single material response flow control device
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Media For Which Designed: water, fresh 2nd 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
632B-3-1/4-2	Safety Relief Valve
632B3 1-4 2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-163-0226?

The FSCG of the NSN 4820-00-163-0226 is 4820

Does the NSN 4820-00-163-0226 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-163-0226 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 4820-00-163-0226 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-163-0226 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 4820-00-163-0226 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Nov 12, 1971