4820-00-955-5968

Find complete technical information, availability, and procurement data for: 4820-00-955-5968
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-955-5968

Item Name Code

05488

Assigment Date

01/01/1960 (66 years ago)

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

Product Characteristics

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

Thread Class: 2b 2nd end
Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Valve Discharge Flow Rate: 45.0 gallons per minute
End Item Identification: grummin aerospace a10 aircraft
Connection Style: flared (tube) 1st end
Connection Style: gasket seal(boss) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Connection Type: threaded internal boss 2nd end
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Maximum Operating Pressure: 1000.0 pounds per square inch single response
Nominal Thread Size: 1.875 inches 1st end
Nominal Thread Size: 1.875 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Opening Pressure Setting: 50.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 1.500 inches 1st end
Material: steel overall
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: un 1st end
Thread Series Designator: un 2nd end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-444-4656	No Name Available	01/01/1989

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
68A4C578-1	Safety Relief Valve
A361-144B	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-955-5968?

The FSCG of the NSN 4820-00-955-5968 is 4820

Does the NSN 4820-00-955-5968 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-955-5968 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-955-5968 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-955-5968 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 4820-00-955-5968 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960