4820-01-252-1708

Find complete technical information, availability, and procurement data for: 4820-01-252-1708
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-252-1708

Item Name Code

05485

Assigment Date

03/30/1987 (39 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

bolted bonnet attachment method, disk flow control device, inside spring bonnet type, automatic valve operation method, 8 all ends bolt hole quantity

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: inside spring
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 8 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 3.500 inches
Nominal Outside Diameter: 7.440 inches all ends
Face To Face Distance: 13.750 inches
Nominal Thickness: 1.000 inches all ends
Bolt Hole Nominal Diameter: 0.690 inches all ends
Bolt Circle Nominal Diameter: 6.060 inches all ends
Flange Face Design: plain all ends
Material: copper body
Material: nickel stem
Material: rubber flow control device
Material: steel seat
Material Document And Classification: mil-b-16541 mil spec single material response body
Material Document And Classification: mil-std-417 mil std single material response flow control device
Material Document And Classification: qq-n-281 cl b fed spec single material response stem
Material Document And Classification: qq-n-288 comp b fed spec single material response seat
Style Designator: straight thru 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
15012-08B	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-252-1708?

The FSCG of the NSN 4820-01-252-1708 is 4820

Does NSN 4820-01-252-1708 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 4820-01-252-1708 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-252-1708 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 4820-01-252-1708 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Mar 30, 1987