4820-00-720-0869

Find complete technical information, availability, and procurement data for: 4820-00-720-0869
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-720-0869

Item Name Code

20520

Assigment Date

01/01/1963 (63 years ago)

3a all ends thread class, 275.0 fahrenheit 2nd response maximum operating temp, -65.0 fahrenheit 1st response maximum operating temp, disk flow control device, right-hand all ends 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 all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Maximum Operating Temp: -65.0 fahrenheit 1st response
Maximum Operating Temp: 275.0 fahrenheit 2nd response
Connection Style: flareless all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.437 inches all ends
Seat Angle: 12.0 degrees all ends
Material: aluminum alloy body
Material: rubber synthetic packing
Media For Which Designed: hydraulic fluid, mineral base single response
Style Designator: straight thru
Thread Series Designator: unf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-719-5811	No Name Available	01/01/1960

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
1R3441-1-6-15	Restrictor Check Valve
1R3441-16-15	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-720-0869?

The FSCG of the NSN 4820-00-720-0869 is 4820

Does the NSN 4820-00-720-0869 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-720-0869 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 4820-00-720-0869 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-720-0869 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 4820-00-720-0869 was assigned to the Federal Catalog?

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