2611-3-4-90PSI

View detailed technical data, stock status, and sourcing information for: 2611-3-4-90PSI
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-1809

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

right-hand 1st end thread direction, poppet flow control device, 0.750 inches 1st end nominal pipe size accommodated, 0.750 inches 2nd end nominal pipe size accommodated, right-hand 2nd end thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 0.750 inches 1st end
Nominal Pipe Size Accommodated: 0.750 inches 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Maximum Operating Temp: 406.0 fahrenheit single response
Connection Style: plain (pipe) 2nd end
Connection Style: plain,optional end(pipe) 1st end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Features Provided: valve stem lock shield
Adjustable Pressure Range: +16.0 to 30.0 pounds per square inch
Maximum Operating Pressure: 250.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Material: copper alloy 836 body
Material: copper alloy 836 seat
Material: copper alloy flow control device
Material: steel stem
Material Document And Classification: qq-c-390,alloyb5/d/ fed spec single material response body
Material Document And Classification: qq-c-390,alloyb5/d/ fed spec single material response seat
Media For Which Designed: steam single response
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-410-9566	No Name Available	04/01/1998
4820-00-965-1209	No Name Available	08/01/1998

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
150-3/4X3/4 FIG 150-A	Safety Relief Valve
150-A 3/4	Safety Relief Valve
150-A-3/4X3/4	Safety Relief Valve
2501 3-4	Safety Relief Valve
2606 3-4	Safety Relief Valve
2611 3-4 90	Safety Relief Valve
2611-3-4-90PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-1809?

The FSCG of the NSN 4820-00-289-1809 is 4820

Does the NSN 4820-00-289-1809 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-1809 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 4820-00-289-1809 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-1809 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 4820-00-289-1809 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963