4820-00-945-4385

Find complete technical information, availability, and procurement data for: 4820-00-945-4385
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-945-4385

Item Name Code

27565

Assigment Date

03/11/1966 (60 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

threaded internal boss first end connection type, gasket seal first end style designator, unable to decode first end thread size and series/type designator, straight thru body style, hydraulic fluid, phosphate-ester base 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
Media For Which Designed: hydraulic fluid, phosphate-ester base
First End Connection Type: threaded internal boss
First End Style Designator: gasket seal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Packing Material: unable to decode
Flow Control Device: poppet
Flow Control Device Material: unable to decode
End Connection Quantity: 2
First End Thread Pitch Diameters: +0.5164 to 0.5230 inches
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 3000.0 pounds per square inch
Outlet Pressure Setting: 70.0 pounds per square inch
Filter: not included
Material: unable to decode
Surface Treatment: passivate outside

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1650-00-540-1658	No Name Available	04/05/1974

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
30A6-200	Fluid Pressure Regulating Valve
65651-06028-101	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-945-4385?

The FSCG of the NSN 4820-00-945-4385 is 4820

Does the NSN 4820-00-945-4385 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-945-4385 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 4820-00-945-4385 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-945-4385 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 4820-00-945-4385 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Mar 11, 1966