RWEV24

View detailed technical data, stock status, and sourcing information for: RWEV24
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-448-3311

Item Name Code

05493

Assigment Date

08/27/1997 (28 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

flared first end style designator, threaded external tube first end connection type, straight thru body style, 0.250 inches nominal first end outside diameter tube accommodated, 3a first end thread class

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
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Outside Diameter Tube Accommodated: 0.250 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: flared
Second End Outside Diameter Tube Accommodated: 0.500 inches nominal
Second End Thread Class: 3a
Second End Thread Direction: right-hand
First End Seat Angle In Deg: 37.0
Second End Seat Angle In Deg: 37.0
End Connection Quantity: 2
Capillary Tube Length: 30.000 inches nominal
Valve Expansion Control Type: thermostatic
Bulb Mounting Method: clamp
Valve Equalizer Location: internal
End Item Identification: aircraft carrier;nimitz class cvn
Refrigeration Capacity In Btu Per Hour: 3.0
First End Thread Series Designator: unj
First End Nominal Thread Size: 0.438 inches
Second End Nominal Thread Size: 0.750 inches
Second End Thread Series Designator: unj
Special Features: media refrigerant 134a;1/4 in.inlet;1/2 in.outlet;furn w/replaceable thermostatic element and removable 100 mesh strainer
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
FJ1/4C	Expansion Valve
RWEV24	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-448-3311?

The FSCG of the NSN 4820-01-448-3311 is 4820

Does the NSN 4820-01-448-3311 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-448-3311 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 4820-01-448-3311 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-448-3311 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 4820-01-448-3311 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Aug 27, 1997