4820-01-149-4962

Find complete technical information, availability, and procurement data for: 4820-01-149-4962
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-149-4962

Item Name Code

05488

Assigment Date

03/22/1983 (43 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

bolted bonnet attachment method, disk flow control device, 150.0 fahrenheit single response maximum operating temp, inside spring bonnet type, automatic valve operation 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: inside spring
Bonnet Attachment Method: bolted
Maximum Operating Temp: 150.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round all ends
Connection Type: flange all ends
Valve Size: 1.500 inches
Adjustable Pressure Range: +33.0 to 42.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 5.000 inches all ends
Nominal Thickness: 0.562 inches all ends
First Connection Face To Centerline Distance: 4.750 inches
Second Connection Face To Centerline Distance: 4.750 inches
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 2.875 inches all ends
Material: steel body
Material: steel comp 303 stem
Material: steel flow control device
Material: steel seat
Material Document And Classification: astm a276,type 303 assn std single material response stem
Material Document And Classification: astm a216,grade wcb assn std single material response body
Material Document And Classification: astm a351,grade cf8 assn std single material response flow control device
Material Document And Classification: astm a351,grade cf8 assn std single material response seat
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
20242D91SS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-149-4962?

The FSCG of the NSN 4820-01-149-4962 is 4820

Does the NSN 4820-01-149-4962 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-149-4962 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 4820-01-149-4962 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-149-4962 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 4820-01-149-4962 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Mar 22, 1983