4820-01-301-7975

Find complete technical information, availability, and procurement data for: 4820-01-301-7975
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-301-7975

Item Name Code

05485

Assigment Date

06/02/1989 (37 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

disk flow control device, outside screw-yoke bonnet type, manual valve operation method, 4 all ends bolt hole quantity, bolted bonnet attachment method

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
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: bonnet packing
Valve Size: 2.000 inches
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 6.000 inches all ends
Face To Face Distance: 8.000 inches
Nominal Thickness: 0.750 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 4.750 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches
Raised Face Nominal Diameter: 3.625 inches
Material: steel comp 420 flow control device
Material: steel comp 420 stem
Material: steel uns k03504 body
Material Document And Classification: astm a105 assn std single material response body
Material Document And Classification: astm a276 type 420 assn std single material response flow control device
Material Document And Classification: astm a276 type 420 assn std single material response stem
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
21F-FS2-SC	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-301-7975?

The FSCG of the NSN 4820-01-301-7975 is 4820

Does the NSN 4820-01-301-7975 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-301-7975 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 4820-01-301-7975 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-301-7975 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 4820-01-301-7975 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Jun 2, 1989