GRE1-4ZP

View detailed technical data, stock status, and sourcing information for: GRE1-4ZP
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-231-9682

Item Name Code

05493

Assigment Date

05/07/1986 (40 years ago)

threaded external tube first end connection type, refrigerant r-502 media for which designed, 0.313 inches nominal first end outside diameter tube accommodated, flared first end style designator, "angle give "adqm" or "adqn" if flanged one or two ends" body style

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 r-502
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Outside Diameter Tube Accommodated: 0.313 inches nominal
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: 0.188 inches nominal
Second End Thread Class: 3a
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: piston, spring loaded
End Connection Quantity: 2
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: low
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: 3.0
First End Thread Series Designator: unjf
First End Nominal Thread Size: 0.500 inches
Second End Nominal Thread Size: 0.375 inches
Second End Thread Series Designator: unjf
Material: copper alloy body

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-246-5987	No Name Available	09/01/1991

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
GRE-1/4-2P	Expansion Valve
GRE1-4ZP	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-231-9682?

The FSCG of the NSN 4820-01-231-9682 is 4820

Does the NSN 4820-01-231-9682 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-231-9682 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 4820-01-231-9682 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-231-9682 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 4820-01-231-9682 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, May 7, 1986