4820-00-816-1286

Find complete technical information, availability, and procurement data for: 4820-00-816-1286
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-816-1286

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

poppet flow control device, 300.0 fahrenheit single response maximum operating temp, 3a all ends thread class, right-hand all ends thread direction, spring disk loading method

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: poppet
Disk Loading Method: spring
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Maximum Operating Pressure: 140.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 370.0 degrees all ends
Opening Pressure Setting: 5.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: aluminum alloy 2024 or rubber butadiene-acrylonitrile class nbr flow control device
Material: aluminum alloy 2024 body lining
Material: aluminum alloy 2024 seat
Material Document And Classification: qq-a-225/6 fed spec single material response body lining
Material Document And Classification: qq-a-225/6 fed spec single material response flow control device
Material Document And Classification: qq-a-225/6 fed spec single material response seat
Media For Which Designed: air 1st response
Media For Which Designed: water, fresh 2nd response
Surface Treatment: anodize
Style Designator: straight thru
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
4820PL0574727	Safety Relief Valve
C049-4	Safety Relief Valve
P10-673	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-816-1286?

The FSCG of the NSN 4820-00-816-1286 is 4820

Does the NSN 4820-00-816-1286 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-816-1286 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 4820-00-816-1286 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-816-1286 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 4820-00-816-1286 was assigned to the Federal Catalog?

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