4820-01-134-2803

Find complete technical information, availability, and procurement data for: 4820-01-134-2803
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-134-2803

Item Name Code

05488

Assigment Date

07/02/1982 (44 years ago)

disk flow control device, inside spring bonnet type, vehicle, aircraft refueler r-9 end item identification, bolted bonnet attachment method, 150.0 fahrenheit single response maximum operating temp

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Maximum Operating Temp: 150.0 fahrenheit single response
End Item Identification: vehicle, aircraft refueler r-9
Connection Style: streamlined with one brazing ring (tube) 2nd end
Valve Operation Method: automatic
Flange Shape: round 1st end
Connection Type: flange 1st end
Connection Type: unthreaded internal tube 2nd end
Adjustable Pressure Range: +151.0 to 180.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 3.875 inches 1st end
Nominal Thickness: 0.344 inches 1st end
Flange Face Design: plain 1st end
Nominal Outside Diameter Tube Accommodated: 0.750 inches 2nd end
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Material Document And Classification: qq-n-281 fed spec single material response flow control device
Material Document And Classification: qq-n-281 fed spec single material response seat
Material Document And Classification: qq-n-281 fed spec single material response stem
Material Document And Classification: qq-c-390,alloy d4/d/ fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 2nd response
Style Designator: angle

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
10347159	Safety Relief Valve
20285R51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-134-2803?

The FSCG of the NSN 4820-01-134-2803 is 4820

Does the NSN 4820-01-134-2803 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-134-2803 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 4820-01-134-2803 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-134-2803 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 4820-01-134-2803 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Jul 2, 1982