4820-01-437-1012

Find complete technical information, availability, and procurement data for: 4820-01-437-1012
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-437-1012

Item Name Code

05493

Assigment Date

10/04/1996 (29 years ago)

A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.

unthreaded internal tube first end connection type, plain first end style designator, 0.500 inches nominal first end outside diameter tube accommodated, straight thru body style, refrigerant 22 media for which designed

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 22
First End Connection Type: unthreaded internal tube
First End Style Designator: plain
First End Outside Diameter Tube Accommodated: 0.500 inches nominal
Second End Relationship With First End: not identical
Second End Connection Type: unthreaded internal tube
Second End Style Designator: plain
Second End Outside Diameter Tube Accommodated: 0.625 inches nominal
Flow Control Device: cone, bottom guided
End Connection Quantity: 2
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: low
Valve Pressure Limiting Device: not included
Valve Equalizer Location: internal
End Item Identification: wasp class lhd
Refrigeration Capacity In Btu Per Hour: 6.0
Special Features: application oil cooler
Material: copper alloy body
Material: nickel alloy and 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
9A001-01-C FIND NO. 21	Expansion Valve
SV-1/2-L4	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-437-1012?

The FSCG of the NSN 4820-01-437-1012 is 4820

Does the NSN 4820-01-437-1012 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-437-1012 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 4820-01-437-1012 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-437-1012 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 4820-01-437-1012 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Oct 4, 1996