4820-01-205-2136

Find complete technical information, availability, and procurement data for: 4820-01-205-2136
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-205-2136

Item Name Code

27565

Assigment Date

04/05/1985 (41 years ago)

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

straight thru body style, identical second end relationship with first end, unthreaded internal tube first end connection type, 2.500 inches nominal first end outside diameter tube accommodated, socket w/brazing ring first end style designator

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 tube
First End Style Designator: socket w/brazing ring
First End Outside Diameter Tube Accommodated: 2.500 inches nominal
Second End Relationship With First End: identical
First End Seat Angle In Deg: 45.0
Flow Control Device: disk, flat
End Connection Quantity: 2
Outlet Pressure Range: +3.0 to 40.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Remote Actuation Method: diaphragm
Filter: not included
Material: unable to decode

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
D50177 PART Y3DCN1NN1BBH	Fluid Pressure Regulating Valve
Y3DCN1NN1BBH AND D50177	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-205-2136?

The FSCG of the NSN 4820-01-205-2136 is 4820

Does the NSN 4820-01-205-2136 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-205-2136 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 4820-01-205-2136 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-205-2136 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 4820-01-205-2136 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Apr 5, 1985