4820-00-470-1831

Find complete technical information, availability, and procurement data for: 4820-00-470-1831
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-470-1831

Item Name Code

05493

Assigment Date

01/15/1971 (55 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

refrigerant 22 media for which designed, threaded external tube first end connection type, 0.500 inches nominal first end outside diameter tube accommodated, angle, multiple connection body style, 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, multiple connection
Media For Which Designed: refrigerant 22
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 Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: diaphragm
End Connection Quantity: 2
Bulb Length: 3.500 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: solder tube
Refrigeration Capacity In Btu Per Hour: 48.0
Material: copper alloy body
Material: nickel alloy 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
CVE4C	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-00-470-1831?

The FSCG of the NSN 4820-00-470-1831 is 4820

Does the NSN 4820-00-470-1831 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-470-1831 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 4820-00-470-1831 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-470-1831 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 4820-00-470-1831 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jan 15, 1971