4820-01-279-4567

Find complete technical information, availability, and procurement data for: 4820-01-279-4567
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-279-4567

Item Name Code

10958

Assigment Date

05/18/1988 (38 years ago)

A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt, fluid passage on one end. The other end must have an internal or external quick disconnect feature for connecting a mating part to form a quick disconnect coupling assembly. The fitting may incorporate a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half. For self-sealing fittings with an external or internal threaded disconnect end, see coupling half, self-sealing. See also, connector, multiple, fluid pressure line.

single connection, straight flow body style, plain first end style designator, 0.625 inches nominal first end outside diameter tube accommodated, threaded external tube first end connection type, 180.0 fahrenheit temp rating

Product Characteristics

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

Body Style: single connection, straight flow
Temp Rating: 180.0 fahrenheit
First End Connection Type: threaded external tube
First End Style Designator: plain
First End Outside Diameter Tube Accommodated: 0.625 inches nominal
First End Thread Class: 2a
First End Thread Direction: right-hand
Flow Control Device: poppet
End Connection Quantity: 1
Disk Loading Method: spring and weight
Opening Pressure Setting: 2.5 pounds per square inch
Valve Venting Design Type: atmospheric
Valve Relief Design Type: vacuum
Material: aluminum alloy body

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
790-RPV2.5-2.5	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-279-4567?

The FSCG of the NSN 4820-01-279-4567 is 4820

Does the NSN 4820-01-279-4567 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-279-4567 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 4820-01-279-4567 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-279-4567 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 4820-01-279-4567 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, May 18, 1988