40425-8 ASSEMBLY 40425-803

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-424-2675

Item Name Code

05492

Assigment Date

01/24/1996 (30 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

identical second end relationship with first end, unthreaded internal pipe first end connection type, straight thru body style, socket w/brazing ring first end style designator, 2.000 inches first end nominal pipe size accommodated

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: unthreaded internal pipe
First End Style Designator: socket w/brazing ring
First End Nominal Pipe Size Accommodated: 2.000 inches
Second End Relationship With First End: identical
Flow Control Device: bellows
End Connection Quantity: 2
Bulb Length: 12.000 inches nominal
Bulb Diameter: 0.125 inches nominal
Temp Adjustability: adjustable
Thermostatic Element: liquid immersion type
Temp Rating: 60.0 fahrenheit minimum and 90.0 fahrenheit maximum
Material: copper alloy body
Material: copper alloy bulb
Material: steel corrosion resisting seat
Material: steel corrosion resisting stem

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
40425-8 ASSEMBLY 40425-803	Temperature Regulating Valve
40425-803	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-424-2675?

The FSCG of the NSN 4820-01-424-2675 is 4820

Does the NSN 4820-01-424-2675 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-424-2675 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 4820-01-424-2675 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-424-2675 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 4820-01-424-2675 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Jan 24, 1996