4820-01-275-9100

Find complete technical information, availability, and procurement data for: 4820-01-275-9100
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-275-9100

Item Name Code

05486

Assigment Date

03/29/1988 (38 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.

outside screw-yoke bonnet type, 4 all ends bolt hole quantity, bolted bonnet attachment method, 839.0 fahrenheit single response maximum operating temp, disk flow control device

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
Maximum Operating Temp: 839.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal
Features Provided: bonnet packing
Valve Size: 1.500 inches
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Outside Diameter: 6.125 inches all ends
Face To Face Distance: 9.000 inches
Nominal Thickness: 0.438 inches all ends
Bolt Hole Nominal Diameter: 0.875 inches all ends
Bolt Circle Nominal Diameter: 4.500 inches all ends
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: cobalt alloy seat
Material: steel comp 416 stem
Material: steel comp 420 flow control device
Material: steel uns k03504 body
Material Document And Classification: astm a105 assn std single material response body
Material Document And Classification: astm a582 grade 416 (250 bhn) assn std single material response stem
Material Document And Classification: astm a582 grade 420 (500 bhn) assn std single material response flow control device
Media For Which Designed: oil 1st response
Media For Which Designed: steam 2nd response
Style Designator: straight thru flanged ends
Supplementary Features: this item has been reviewed for asbestos material. the current approved source, 86520, has indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984

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
F-391DM 1.50IN	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-275-9100?

The FSCG of the NSN 4820-01-275-9100 is 4820

Does the NSN 4820-01-275-9100 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-275-9100 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 4820-01-275-9100 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-275-9100 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 4820-01-275-9100 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Mar 29, 1988