3169990

View detailed technical data, stock status, and sourcing information for: 3169990
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-896-4667

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

right-hand 2nd end thread direction, right-hand 1st end thread direction, piston flow control device, 3b 1st end thread class, 3b 2nd 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: 3b 1st end
Thread Class: 3b 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: piston
Disk Loading Method: spring
Maximum Operating Temp: 50.0 celsius single response
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Connection Type: threaded internal boss 2nd end
Features Provided: pressure tight outlet side
Power Drive Operating Pressure: 10.0 pounds per square inch nominal
Adjustable Pressure Range: +10.0 to 80.0 pounds per square inch
Maximum Operating Pressure: 80.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 10.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Material: steel corrosion resisting body
Media For Which Designed: fuel/oil, hydrocarbon single response
Surface Treatment: passivate
Style Designator: angle
Thread Series Designator: unf 1st end
Thread Series Designator: unf 2nd end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-386-3403	No Name Available	12/01/2005

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
3169990	Safety Relief Valve
75318-6	Safety Relief Valve
75318-61	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-896-4667?

The FSCG of the NSN 4820-00-896-4667 is 4820

Does the NSN 4820-00-896-4667 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-896-4667 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 4820-00-896-4667 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-896-4667 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 4820-00-896-4667 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962