4820-00-842-5176

Find complete technical information, availability, and procurement data for: 4820-00-842-5176
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-842-5176

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

right-hand 2nd end thread direction, right-hand 1st end thread direction, disk flow control device, 0.500 inches 2nd end nominal pipe size accommodated, 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.

Nominal Pipe Size Accommodated: 0.500 inches 2nd end
Thread Class: 3a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Valve Discharge Flow Rate: 19.5 cubic feet per minute
Connection Style: flared (tube) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded external tube 1st end
Features Provided: valve stem lock shield
Thread Quantity Per Inch: 14 2nd end
Maximum Operating Pressure: 450.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.875 inches 1st end
Seat Angle: 30.0 degrees 1st end
Opening Pressure Setting: 235.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.625 inches 1st end
Material: copper alloy body
Material: copper alloy and rubber synthetic flow control device
Material: copper alloy seat
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 1st end
Reference Number Differentiating Characteristics: as differentiated by relief pressure setting and discharge rate

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
527-235	Safety Relief Valve
527E 235 PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-842-5176?

The FSCG of the NSN 4820-00-842-5176 is 4820

Does the NSN 4820-00-842-5176 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-842-5176 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 4820-00-842-5176 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-842-5176 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 4820-00-842-5176 was assigned to the Federal Catalog?

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