4820-00-878-6171

Find complete technical information, availability, and procurement data for: 4820-00-878-6171
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-878-6171

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

poppet flow control device, 5.0 gallons per minute valve discharge flow rate, spring disk loading method, 3b 1st end thread class, 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: 3b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Valve Discharge Flow Rate: 5.0 gallons per minute
Connection Style: gasket seal(boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Features Provided: pressure tight outlet side
Thread Quantity Per Inch: 18 1st end
Adjustable Pressure Range: +500.0 to 825.0 pounds per square inch
Nominal Thread Size: 0.562 inches 1st end
Opening Pressure Setting: 550.0 pounds per square inch
Thread Series Designator: unf 1st end
Nondefinitive Spec/Std Data: a class
Departure From Cited Designator: as modified by preset relief pressure settingand discharge capacity

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
10892810	Safety Relief Valve
MILV8813	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-878-6171?

The FSCG of the NSN 4820-00-878-6171 is 4820

Does the NSN 4820-00-878-6171 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-878-6171 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 4820-00-878-6171 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-878-6171 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 4820-00-878-6171 was assigned to the Federal Catalog?

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