25000270

View detailed technical data, stock status, and sourcing information for: 25000270
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-346-7875

Item Name Code

10958

Assigment Date

10/10/1991 (34 years ago)

An item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. The tubing has a predetermined cross section and is designed to guide or conduct high frequency electromagnetic energy through its interior. One or more ends are terminated. May include common mounting of a switch, wave guide, a dummy load, electrical and other components such as waveguide section, cable terminal chamber and the like. Excludes:coupler,rotary,radio frequency; coupler, directional; adapter,waveguide; and tuner, waveguide.

3.0 pounds per square inch maximum operating pressure, manual unloader on pressure side and gasket and nut and washer furnished items, single connection, straight flow body style, threaded external boss first end connection type, air 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.

Maximum Operating Pressure: 3.0 pounds per square inch
Body Style: single connection, straight flow
Furnished Items: manual unloader on pressure side and gasket and nut and washer
Media For Which Designed: air
First End Connection Type: threaded external boss
First End Style Designator: external seat for gasket seal
First End Thread Class: 2a
First End Thread Direction: right-hand
Flow Control Device: disk, flat
End Connection Quantity: 1
Disk Loading Method: spring
Opening Pressure Setting: 2.0 pounds per square inch
Valve Venting Design Type: atmospheric
Valve Relief Design Type: pressure and vacuum
First End Thread Series Designator: npt
First End Nominal Thread Size: 0.125 inches
Material: aluminum alloy seat
Material: aluminum alloy body
Material: aluminum alloy flow control device
Surface Treatment: anodize outside

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
25000270	Gaseou Pressure Equalizing Valve
TA294-15-05-R	Gaseou Pressure Equalizing Valve

FAQs

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

What is the FSCG of the NSN 4820-01-346-7875?

The FSCG of the NSN 4820-01-346-7875 is 4820

Does the NSN 4820-01-346-7875 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-346-7875 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 4820-01-346-7875 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-346-7875 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 4820-01-346-7875 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Thu, Oct 10, 1991