4820-01-137-8188

Find complete technical information, availability, and procurement data for: 4820-01-137-8188
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-137-8188

Item Name Code

05493

Assigment Date

09/02/1982 (43 years ago)

flared first end style designator, straight thru body style, 0.625 inches nominal first end outside diameter tube accommodated, threaded external tube first end connection type, refrigerant r-502 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 r-502
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Outside Diameter Tube Accommodated: 0.625 inches nominal
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: 0.375 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: 30.000 inches nominal
Bulb Length: 3.500 inches nominal
Bulb Diameter: 0.500 inches nominal
Valve Expansion Control Type: pressure
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: 36.0
First End Thread Series Designator: unf
First End Nominal Thread Size: 0.875 inches
Second End Nominal Thread Size: 0.562 inches
Second End Thread Series Designator: unf
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
MMP91849-1	Expansion Valve
N5RE-3-CP115	Expansion Valve
NSRE-3-CP115	Expansion Valve
SRE3CP115	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-137-8188?

The FSCG of the NSN 4820-01-137-8188 is 4820

Does the NSN 4820-01-137-8188 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-137-8188 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 4820-01-137-8188 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-137-8188 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 4820-01-137-8188 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Sep 2, 1982