4820-00-228-1689

Find complete technical information, availability, and procurement data for: 4820-00-228-1689
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-228-1689

Item Name Code

05488

Assigment Date

02/05/1969 (57 years ago)

2.5 gallons per minute valve discharge flow rate, spring disk loading method, poppet flow control device, 3b all ends thread class, 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: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 2.5 gallons per minute
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Adjustable Pressure Range: +2300.0 to 3850.0 pounds per square inch
Maximum Operating Pressure: 3850.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Opening Pressure Setting: 3750.0 pounds per square inch
Media For Which Designed: hydraulic fluid, petroleum base single response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: unf all ends

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
MS28893-D4-3750	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-228-1689?

The FSCG of the NSN 4820-00-228-1689 is 4820

Does the NSN 4820-00-228-1689 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-228-1689 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 4820-00-228-1689 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-228-1689 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 4820-00-228-1689 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Feb 5, 1969