4820-00-595-2257

Find complete technical information, availability, and procurement data for: 4820-00-595-2257
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-595-2257

Item Name Code

05493

Assigment Date

01/10/1975 (51 years ago)

A completely inclosed machine consisting of a positive or nonpositive displacement pump with a driving motor used to transmit or transfer fluid from an aircraft tank to an engine driven pump or to another tank. It is designed to be partially or completely submerged in the fluid it is intended to pump.

0.380 inches nominal first end outside diameter tube accommodated, "angle give "adqm" or "adqn" if flanged one or two ends" body style, unthreaded internal tube first end connection type, 100.0 fahrenheit temp rating, socket 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 give "adqm" or "adqn" if flanged one or two ends"
Temp Rating: 100.0 fahrenheit
First End Connection Type: unthreaded internal tube
First End Style Designator: socket
First End Outside Diameter Tube Accommodated: 0.380 inches nominal
Second End Relationship With First End: not identical
Second End Connection Type: unthreaded internal tube
Second End Style Designator: socket
Second End Outside Diameter Tube Accommodated: 0.252 inches nominal
Flow Control Device: diaphragm
End Connection Quantity: 2
Adjustable Pressure Range: +0.0 to 80.0 pounds per square inch
Valve Expansion Control Type: pressure
Valve Pressure Limiting Device: not included
Valve Equalizer Location: internal
Refrigeration Capacity In Btu Per Hour: 36.0
Material: copper alloy body
Material: steel corrosion resisting flow control device

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
104A70034-181	Expansion Valve
D4524-7354	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-00-595-2257?

The FSCG of the NSN 4820-00-595-2257 is 4820

Does the NSN 4820-00-595-2257 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-595-2257 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 4820-00-595-2257 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-595-2257 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 4820-00-595-2257 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Jan 10, 1975