4820-01-026-6944

Find complete technical information, availability, and procurement data for: 4820-01-026-6944
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-026-6944

Item Name Code

05488

Assigment Date

08/29/1976 (49 years ago)

spring disk loading method, 160.0 fahrenheit single response maximum operating temp, 3a 1st end thread class, piston flow control device, 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: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: piston
Disk Loading Method: spring
Maximum Operating Temp: 160.0 fahrenheit single response
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.437 inches 1st end
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-225/6,t4 fed spec single material response overall
Media For Which Designed: air 1st response
Media For Which Designed: nitrogen, gaseous 2nd response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unf 1st end

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
2394222-1	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-026-6944?

The FSCG of the NSN 4820-01-026-6944 is 4820

Does the NSN 4820-01-026-6944 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-026-6944 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 4820-01-026-6944 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-026-6944 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 4820-01-026-6944 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Aug 29, 1976