DE1FW

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-241-5478

Item Name Code

05493

Assigment Date

09/27/1986 (39 years ago)

threaded external tube first end connection type, "angle give "adqm" or "adqn" if flanged one or two ends" body style, refrigerant 12 media for which designed, 2a first end thread class, flared first end style designator

Product Characteristics

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

Body Style: "angle give "adqm" or "adqn" if flanged one or two ends"
Media For Which Designed: refrigerant 12
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Thread Class: 2a
First End Thread Direction: right-hand
Second End Relationship With First End: not identical
Second End Connection Type: threaded external tube
Second End Style Designator: flared
Second End Outside Diameter Tube Accommodated: 0.500 inches nominal
Second End Thread Class: 2a
Second End Thread Direction: right-hand
First End Seat Angle In Deg: 45.0
Second End Seat Angle In Deg: 45.0
Flow Control Device: disk, flat
End Connection Quantity: 2
Capillary Tube Length: 60.000 inches nominal
Bulb Length: 3.000 inches nominal
Bulb Diameter: 0.500 inches nominal
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: low
Valve Pressure Limiting Device: not included
Bulb Mounting Method: clamp
Valve Equalizer Location: external
Valve Equalizer Connection Type: flared tube
Valve Equalizer Connection Diameter: 0.250 inches nominal
Refrigeration Capacity In Btu Per Hour: 12.0
Special Features: temp rating: -40.0 deg fahrenheit to 50.0 deg fahrenheit
Material: copper alloy and steel corrosion resisting body
Material: copper alloy stem
Material: steel corrosion resisting seat

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
200349A	Expansion Valve
223-013	Expansion Valve
DE 1 FW	Expansion Valve
DE 1FW	Expansion Valve
DE1FW	Expansion Valve
HFE 1FC 3/8X1/2SAE	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-241-5478?

The FSCG of the NSN 4820-01-241-5478 is 4820

Does the NSN 4820-01-241-5478 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-241-5478 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 4820-01-241-5478 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-241-5478 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 4820-01-241-5478 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Sep 27, 1986