4820-01-166-8289

Find complete technical information, availability, and procurement data for: 4820-01-166-8289
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-166-8289

Item Name Code

27565

Assigment Date

11/17/1983 (42 years ago)

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

air or nitrogen, liquid media for which designed, union nut and tailpiece furnished items, unthreaded internal tube first end connection type, socket first end style designator, straight thru body style

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
Furnished Items: union nut and tailpiece
Media For Which Designed: air or nitrogen, liquid
First End Connection Type: unthreaded internal tube
First End Style Designator: socket
First End Outside Diameter Tube Accommodated: 0.500 inches nominal
Second End Relationship With First End: identical
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Outlet Pressure Range: +60.0 to 100.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 400.0 pounds per square inch
Filter: not included
Material: unable to decode
Nondefinitive Spec/Std Data: 1 type and a class

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
MIL-V-2961	Fluid Pressure Regulating Valve
N-524 X N-549 6	Fluid Pressure Regulating Valve
N-524/N-54960T100PSI	Fluid Pressure Regulating Valve
YB2319C925	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-166-8289?

The FSCG of the NSN 4820-01-166-8289 is 4820

Does the NSN 4820-01-166-8289 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-166-8289 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 4820-01-166-8289 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-166-8289 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 4820-01-166-8289 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Nov 17, 1983