4820-00-679-8793

Find complete technical information, availability, and procurement data for: 4820-00-679-8793
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-679-8793

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

integral bonnet attachment method, 0.250 inches 1st end nominal pipe size accommodated, piston flow control device, right-hand all ends thread direction, inside spring bonnet type

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches 1st end
Thread Direction: right-hand all ends
Flow Control Device: piston
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Adjustable Pressure Range: +50.0 to 450.0 pounds per square inch
Maximum Operating Pressure: 490.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 90.0 pounds per square inch
Material: copper alloy body
Material: copper alloy flow control device
Material: rubber seat
Material Document And Classification: sae ca360 assn std single material response body
Media For Which Designed: refrigerant 12 single 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
4027C2-27	Safety Relief Valve
B522195FRE0N	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-679-8793?

The FSCG of the NSN 4820-00-679-8793 is 4820

Does the NSN 4820-00-679-8793 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-679-8793 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 4820-00-679-8793 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-679-8793 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 4820-00-679-8793 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963