4820-01-371-7686

Find complete technical information, availability, and procurement data for: 4820-01-371-7686
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-371-7686

Item Name Code

05493

Assigment Date

02/23/1993 (33 years ago)

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

50.0 fahrenheit temp rating, socket first end style designator, refrigerant 22 media for which designed, straight thru body style, unthreaded internal tube first end connection type

Product Characteristics

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

Body Style: straight thru
Temp Rating: 50.0 fahrenheit
Media For Which Designed: refrigerant 22
First End Connection Type: unthreaded internal tube
First End Style Designator: socket
First End Outside Diameter Tube Accommodated: 1.375 inches nominal
Second End Relationship With First End: identical
Flow Control Device: piston, spring loaded
End Connection Quantity: 2
Capillary Tube Length: 60.000 inches nominal
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: high
Valve Pressure Limiting Device: not included
Valve Equalizer Location: external
Valve Equalizer Connection Type: flared tube
Valve Equalizer Connection Diameter: 0.250 inches nominal
Refrigeration Capacity In Btu Per Hour: 840.0
Material: copper 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
90C02-2484	Expansion Valve
90SM-125-0001 ITEM 18	Expansion Valve
VVE-70-VC	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-371-7686?

The FSCG of the NSN 4820-01-371-7686 is 4820

Does the NSN 4820-01-371-7686 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-371-7686 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 4820-01-371-7686 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-371-7686 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 4820-01-371-7686 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Tue, Feb 23, 1993