4820-01-258-1039

Find complete technical information, availability, and procurement data for: 4820-01-258-1039
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-258-1039

Item Name Code

05488

Assigment Date

06/27/1987 (39 years ago)

A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.

bolted bonnet attachment method, disk flow control device, outside screw-yoke bonnet type, 4 all ends bolt hole quantity, 250.0 fahrenheit single 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.

Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 250.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.000 inches
Adjustable Pressure Range: +40.0 to 48.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Outside Diameter: 4.250 inches all ends
Nominal Thickness: 0.375 inches all ends
First Connection Face To Centerline Distance: 3.625 inches
Bolt Hole Nominal Diameter: 0.562 inches all ends
Second Connection Face To Centerline Distance: 3.625 inches
Bolt Circle Nominal Diameter: 3.120 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: steel corrosion resisting stem
Media For Which Designed: water-oil-gas single response
Style Designator: angle flanged 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
D49254 PART R10AF2F210	Safety Relief Valve
D49915 PART R10AF2F210	Safety Relief Valve
R10AF2F210 AND	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-258-1039?

The FSCG of the NSN 4820-01-258-1039 is 4820

Does the NSN 4820-01-258-1039 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-258-1039 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 4820-01-258-1039 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-258-1039 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 4820-01-258-1039 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Jun 27, 1987