02838

View detailed technical data, stock status, and sourcing information for: 02838
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-011-3606

Item Name Code

05486

Assigment Date

10/21/1975 (50 years ago)

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes:baroswitch; switch,pressure-thermostatic; and switch,sensitive.

welded renewable seat ring type, bolted bonnet attachment method, disk flow control device, outside screw-yoke bonnet type, 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
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
Renewable Seat Ring Type: welded
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 650.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 7.000 inches all ends
Nominal Thickness: 0.625 inches all ends
First Connection Face To Centerline Distance: 4.250 inches
Bolt Hole Nominal Diameter: 0.750 inches all ends
Second Connection Face To Centerline Distance: 4.250 inches
Bolt Circle Nominal Diameter: 5.500 inches all ends
Flange Face Design: plain all ends
Special Features: valve size 2-1/2 in.
Material: steel body
Material: steel corrosion resisting stem
Material: steel flow control device
Material: steel seat
Material Document And Classification: astm a105, grade 2 assn std single material response body
Material Document And Classification: mil-r-17131,mil-r-cocr-a mil spec single material response flow control device
Material Document And Classification: mil-r-17131,mil-rcocr-a mil spec single material response seat
Media For Which Designed: steam single response
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-451-3305	No Name Available	09/01/1982

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
02838	Stop-Check Valve
14-02-1/2INS-14020250/882039642	Stop-Check Valve
1578 25IN-C056950REV0/883030066	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-011-3606?

The FSCG of the NSN 4820-01-011-3606 is 4820

Does the NSN 4820-01-011-3606 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-011-3606 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 4820-01-011-3606 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-011-3606 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 4820-01-011-3606 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Oct 21, 1975