4820-00-491-6795

Find complete technical information, availability, and procurement data for: 4820-00-491-6795
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-491-6795

Item Name Code

05483

Assigment Date

10/02/1970 (55 years ago)

775.0 fahrenheit single response maximum operating temp, outside screw-yoke bonnet type, 8 all ends bolt hole quantity, disk flow control device, pressure seal, ring type 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: pressure seal, ring type
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 775.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: bonnet packing
Valve Size: 3.000 inches
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Outside Diameter: 8.250 inches all ends
Nominal Thickness: 1.250 inches all ends
First Connection Face To Centerline Distance: 7.000 inches
Bolt Hole Nominal Diameter: 0.875 inches all ends
Second Connection Face To Centerline Distance: 7.000 inches
Bolt Circle Nominal Diameter: 6.625 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.250 inches all ends
Raised Face Nominal Diameter: 5.000 inches all ends
Material: cobalt alloy seat
Material: cobalt alloy flow control device
Material: steel body
Material: steel corrosion resisting stem
Material Document And Classification: astma105,grade2 assn std single material response body
Media For Which Designed: steam single response
Style Designator: angle flanged ends
Nondefinitive Spec/Std Data: d composition

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-269-8560	No Name Available	08/28/1973

FAQs

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

What is the FSCG of the NSN 4820-00-491-6795?

The FSCG of the NSN 4820-00-491-6795 is 4820

Does the NSN 4820-00-491-6795 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803090

Does NSN 4820-00-491-6795 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 4820-00-491-6795 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-491-6795 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 4820-00-491-6795 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Oct 2, 1970