4820-01-234-7337

Find complete technical information, availability, and procurement data for: 4820-01-234-7337
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-234-7337

Item Name Code

05493

Assigment Date

06/19/1986 (40 years ago)

0.500 inches nominal first end outside diameter tube accommodated, flared first end style designator, refrigerant media for which designed, straight thru body style, threaded external 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
Media For Which Designed: refrigerant
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Outside Diameter Tube Accommodated: 0.500 inches nominal
First End Thread Class: 3a
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: plain
Second End Outside Diameter Tube Accommodated: 0.375 inches nominal
Second End Thread Class: 3a
Second End Thread Direction: right-hand
First End Seat Angle In Deg: 37.0
Flow Control Device: diaphragm
End Connection Quantity: 2
Valve Expansion Control Type: pressure
Valve Pressure Limiting Device: included
Valve Equalizer Location: external
Valve Equalizer Connection Type: flared tube
Material: copper alloy body
Material: nickel alloy seat
Material: steel flow control device

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
GR-1/2-ZP	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-234-7337?

The FSCG of the NSN 4820-01-234-7337 is 4820

Does the NSN 4820-01-234-7337 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-234-7337 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 4820-01-234-7337 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-234-7337 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 4820-01-234-7337 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Jun 19, 1986