U301684103

View detailed technical data, stock status, and sourcing information for: U301684103
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-280-5286

Item Name Code

27565

Assigment Date

06/11/1988 (38 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.

unable to decode first end thread size and series/type designator, steam or water, oil or gas media for which designed, straight thru body style, threaded internal pipe first end connection type, plain 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
Media For Which Designed: steam or water, oil or gas
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: disk
End Connection Quantity: 2
Outlet Pressure Range: +10.0 to 285.0 pounds per square inch
Regulation Type: automatic double stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 400.0 pounds per square inch
Filter: not included
Special Features: corrosion resistant metal diaphragm between body and bonnet
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
CLASS LCBS .50IN	Fluid Pressure Regulating Valve
U301684103	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-280-5286?

The FSCG of the NSN 4820-01-280-5286 is 4820

Does the NSN 4820-01-280-5286 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-280-5286 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 4820-01-280-5286 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-280-5286 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 4820-01-280-5286 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Jun 11, 1988