4820-01-170-2456

Find complete technical information, availability, and procurement data for: 4820-01-170-2456
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-170-2456

Item Name Code

27565

Assigment Date

01/22/1984 (42 years ago)

An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. It is secured directly to the shaft by use of a setscrew(s), pin(s), or the like, which may be a part of the item of supply. A pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. Solid items have a bearing surface on one or both end(s) perpendicular to the axis. For items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see clamp, hub. See also bearing, sleeve; bushing, sleeve; spacer, sleeve; and coupling, shaft, rigid.

steam media for which designed, unthreaded internal tube first end connection type, socket w/brazing ring first end style designator, straight thru body style, 0.750 inches nominal first end outside diameter tube accommodated

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
First End Connection Type: unthreaded internal tube
First End Style Designator: socket w/brazing ring
First End Outside Diameter Tube Accommodated: 0.750 inches nominal
Second End Relationship With First End: identical
Flow Control Device: disk
End Connection Quantity: 2
Outlet Pressure Range: +5.0 to 40.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 300.0 pounds per square inch
Filter: not included
Temp Rating: 475.0 fahrenheit maximum
Special Features: pilot operated
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
37-3/4IN 5T40PSI SBU BRZ	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-170-2456?

The FSCG of the NSN 4820-01-170-2456 is 4820

Does the NSN 4820-01-170-2456 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-170-2456 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 4820-01-170-2456 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-170-2456 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 4820-01-170-2456 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sun, Jan 22, 1984