4820-01-318-2857

Find complete technical information, availability, and procurement data for: 4820-01-318-2857
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-318-2857

Item Name Code

27565

Assigment Date

04/14/1990 (36 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

7.000 inches nominal first end flange outside diameter, raised face flange first end connection type, straight thru body style, unable to decode stem material, steam 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.

First End Flange Outside Diameter: 7.000 inches nominal
Body Style: straight thru
Stem Material: unable to decode
Media For Which Designed: steam
First End Connection Type: raised face flange
First End Style Designator: raised
First End Raised Face Height: 0.250 inches nominal
First End Raised Face Diameter: 2.875 inches nominal
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 1.250 inches nominal
First End Bolt Hole Quantity: 4
First End Bolt Hole Diameter: 1.125 inches nominal
First End Bolt Circle Diameter: 4.875 inches nominal
Second End Relationship With First End: identical
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Renewable Seat Ring Type: pressed-in
Outlet Pressure Range: +100.0 to 600.0 pounds per square inch
Regulation Type: automatic single stage
Valve Stem Design: single seat
Valve Loading Method: spring
Remote Actuation Method: diaphragm
Maximum Inlet Pressure Rating: 1500.0 pounds per square inch
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
HNS1-1.5IN-100T	Fluid Pressure Regulating Valve
HNS1-1.5IN-100T600OULET-FLGE	Fluid Pressure Regulating Valve
HNS5-1.5IN-100T600OULET-FLGE	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-318-2857?

The FSCG of the NSN 4820-01-318-2857 is 4820

Does the NSN 4820-01-318-2857 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-318-2857 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 4820-01-318-2857 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-318-2857 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 4820-01-318-2857 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Apr 14, 1990