4820-00-991-9927

Find complete technical information, availability, and procurement data for: 4820-00-991-9927
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-991-9927

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

165.0 fahrenheit single response maximum operating temp, spring disk loading method, plain (pipe) all ends connection style, right-hand all ends thread direction, disk flow control device

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 165.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 450.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Opening Pressure Setting: 117.0 pounds per square inch
Material: copper alloy body
Media For Which Designed: air 1st response
Media For Which Designed: hydrogen 2nd response
Media For Which Designed: nitrogen, gaseous 3rd response
Media For Which Designed: oxygen, gaseous 4th response
Style Designator: straight thru
Thread Series Designator: npt 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
1-061-0753	Safety Relief Valve
10610753-P	Safety Relief Valve
16113A	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-991-9927?

The FSCG of the NSN 4820-00-991-9927 is 4820

Does the NSN 4820-00-991-9927 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-991-9927 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 4820-00-991-9927 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-991-9927 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 4820-00-991-9927 was assigned to the Federal Catalog?

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