A/049/061/B20011/32

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-512-5231

Item Name Code

05487

Assigment Date

09/03/2003 (22 years ago)

A two electrode semiconductor device having an asymmetrical voltage - current characteristic. May or may not include mounting hardware and/or heatsink. Excludes:light emitting diode and semiconductor device,photo. For items containing material such as selenium and copper oxide, see recifier, metallic.

82.0 celsius single response maximum operating temp, 5.040 inches all ends nominal length, 4 all ends bolt hole quantity, 2.736 inches all ends nominal width, poppet flow control device

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: poppet
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 82.0 celsius single response
Nominal Width: 2.736 inches all ends
Nominal Length: 5.040 inches all ends
Valve Operation Method: automatic
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 4500.0 pounds per square inch single response
Opening Pressure Setting: 15.0 pounds per square inch
Bolt Hole Nominal Diameter: 0.281 inches 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
A/049/061/B20011 ITEM 32	Check Valve
A/049/061/B20011/32	Check Valve
DGMPC-5-ABK-30	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-512-5231?

The FSCG of the NSN 4820-01-512-5231 is 4820

Does the NSN 4820-01-512-5231 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-512-5231 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 4820-01-512-5231 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-512-5231 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 4820-01-512-5231 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Wed, Sep 3, 2003