4820-01-088-7460

Find complete technical information, availability, and procurement data for: 4820-01-088-7460
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-088-7460

Item Name Code

05488

Assigment Date

01/18/1980 (46 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.

spring disk loading method, automatic valve operation method, disk flow control device, round with holes all ends flange shape, 4 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
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: pressure tight outlet side
Valve Size: 0.500 inches
Maximum Operating Pressure: 275.0 pounds per square inch single response
Opening Pressure Setting: 111.0 pounds per square inch
Nominal Outside Diameter: 3.500 inches all ends
Nominal Thickness: 0.438 inches all ends
First Connection Face To Centerline Distance: 3.250 inches
Bolt Hole Nominal Diameter: 0.500 inches all ends
Second Connection Face To Centerline Distance: 3.250 inches
Bolt Circle Nominal Diameter: 2.375 inches all ends
Flange Face Design: raised with curve and radius all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 1.375 inches all ends
Material: rubber synthetic packing
Material: steel body
Material: steel comp 303 seat
Material: steel comp 303 stem
Material: steel flow control device
Material Document And Classification: astm a351,grade cf8m assn std single material response body
Material Document And Classification: astm a351,grade cf8m assn std single material response flow control device
Material Document And Classification: mil-p-5516,class b mil spec single material response packing
Material Document And Classification: qq-s-763,class 303 fed spec single material response seat
Material Document And Classification: qq-s-763,class 303 fed spec single material response stem
Media For Which Designed: steam single response
Style Designator: angle flanged ends
Test Data Document: "81349-mil-s-901 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
2003901S0111	Safety Relief Valve
20039H91SS	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-088-7460?

The FSCG of the NSN 4820-01-088-7460 is 4820

Does the NSN 4820-01-088-7460 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-088-7460 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 4820-01-088-7460 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-088-7460 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 4820-01-088-7460 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Fri, Jan 18, 1980