428WS3-4

View detailed technical data, stock status, and sourcing information for: 428WS3-4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-541-7387

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

disk flow control device, 0.750 inches all ends nominal pipe size accommodated, streamlined with one brazing ring (pipe) all ends connection style, 150.0 fahrenheit 2nd response maximum operating temp, 550.0 fahrenheit 1st 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.

Nominal Pipe Size Accommodated: 0.750 inches all ends
Flow Control Device: disk
Maximum Operating Temp: 150.0 fahrenheit 2nd response
Maximum Operating Temp: 550.0 fahrenheit 1st response
Connection Style: streamlined with one brazing ring (pipe) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 1000.0 pounds per square inch 2nd response
Maximum Operating Pressure: 300.0 pounds per square inch single response
Material: copper alloy overall
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd response
Style Designator: straight thru

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
428WS3-4	Check Valve
428WS3-4NICUTRM	Check Valve
578-3803-1572480REVGPCC0S13	Check Valve
578-4804-1572374REVAPCPL2	Check Valve
7864-163REVGPCC0S13	Check Valve
7865-088REVAPCPL2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-541-7387?

The FSCG of the NSN 4820-00-541-7387 is 4820

Does the NSN 4820-00-541-7387 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-541-7387 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 4820-00-541-7387 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-541-7387 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 4820-00-541-7387 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963