40397-902

View detailed technical data, stock status, and sourcing information for: 40397-902
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-220-2704

Item Name Code

27565

Assigment Date

11/10/1985 (40 years ago)

An oscillator whose operating frequency(ies) is controlled by an electronic device other than a crystal unit, quartz. For an oscillator controlled by a crystal, see oscillator (1), crystal controlled. See also generator, signal; and calibrator, frequency. Excludes:frequency supply, telephone carrier; resonator, tuning fork; and oscillator, pulse delay.

unthreaded internal pipe first end connection type, straight thru body style, socket w/brazing ring first end style designator, unable to decode stem material, water, salt 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.

Body Style: straight thru
Stem Material: unable to decode
Media For Which Designed: water, salt
First End Connection Type: unthreaded internal pipe
First End Style Designator: socket w/brazing ring
First End Nominal Pipe Size Accommodated: 0.500 inches
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: +25.0 to 60.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 150.0 pounds per square inch
Filter: not included
Material: unable to decode

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-249-3803	No Name Available	03/01/1995

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
40397-09 25T60P	Fluid Pressure Regulating Valve
40397-09 25T6OPSI	Fluid Pressure Regulating Valve
40397-09 5T30PSI	Fluid Pressure Regulating Valve
40397-09 5TO60PSI	Fluid Pressure Regulating Valve
40397-902	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-220-2704?

The FSCG of the NSN 4820-01-220-2704 is 4820

Does the NSN 4820-01-220-2704 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-220-2704 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 4820-01-220-2704 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-220-2704 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 4820-01-220-2704 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sun, Nov 10, 1985