2611-1IN25PSI

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-948-2968

Item Name Code

05488

Assigment Date

04/06/1966 (60 years ago)

A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The maximum value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

right-hand 2nd end thread direction, 3b 1st end thread class, 3a 2nd end thread class, poppet flow control device, right-hand 1st 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.

Thread Class: 3a 2nd end
Thread Class: 3b 1st 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
Valve Discharge Flow Rate: 2499.0 pounds per hour
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 2nd end
Connection Type: threaded internal boss 1st end
Features Provided: bonnet packing and pressure tight outlet side
Thread Quantity Per Inch: 11-1/2 1st end
Thread Quantity Per Inch: 11-1/2 2nd end
Adjustable Pressure Range: +5.0 to 250.0 pounds per square inch
Nominal Thread Size: 1.000 inches 2nd end
Nominal Thread Size: 1.000 inches 1st end
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Material: steel stem
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: npt 1st end

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
2611-1IN25PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-948-2968?

The FSCG of the NSN 4820-00-948-2968 is 4820

Does the NSN 4820-00-948-2968 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-948-2968 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 4820-00-948-2968 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-948-2968 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 4820-00-948-2968 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Apr 6, 1966