4820-00-321-0909

Find complete technical information, availability, and procurement data for: 4820-00-321-0909
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-321-0909

Item Name Code

05487

Assigment Date

11/18/1973 (52 years ago)

spring disk loading method, right-hand all ends thread direction, 135.0 fahrenheit single response maximum operating temp, poppet flow control device, 3a all ends thread class

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: 135.0 fahrenheit single response
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 16 all ends
Maximum Operating Pressure: 35.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Seat Angle: 37.0 degrees all ends
Opening Pressure Setting: 18.0 pounds per square inch
Material: aluminum alloy 2024 body
Material Document And Classification: qq-a-225/6 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: alcohol, ethyl 5th response
Media For Which Designed: carbon dioxide 3rd response
Media For Which Designed: ethylene glycol 4th response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: unj 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
212-061-643-1	Check Valve
869A8TT018	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-321-0909?

The FSCG of the NSN 4820-00-321-0909 is 4820

Does the NSN 4820-00-321-0909 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-321-0909 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 4820-00-321-0909 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-321-0909 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 4820-00-321-0909 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Nov 18, 1973