4820-01-381-4460

Find complete technical information, availability, and procurement data for: 4820-01-381-4460
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-381-4460

Item Name Code

05487

Assigment Date

10/15/1993 (32 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

6640-00-538-2736 end item identification, automatic valve operation method, disk flow control device, plain (tube) all ends connection style, unthreaded internal tube all ends connection type

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: disk
End Item Identification: 6640-00-538-2736
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Mounting Position: horizontal
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Nominal Outside Diameter Tube Accommodated: 0.500 inches all ends
Material: copper alloy 360 flow control device
Material: copper alloy 836 body
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
1825-1/2IN	Check Valve
A1-FIG1825-1/2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-381-4460?

The FSCG of the NSN 4820-01-381-4460 is 4820

Does the NSN 4820-01-381-4460 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-381-4460 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 4820-01-381-4460 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-381-4460 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 4820-01-381-4460 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Oct 15, 1993