4753K43

View detailed technical data, stock status, and sourcing information for: 4753K43
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-545-6664

Item Name Code

05487

Assigment Date

11/21/2006 (19 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.

piston flow control device, 33.0 fahrenheit minimum operating temp, right-hand all ends thread direction, 300.0 fahrenheit single response maximum operating temp, spring disk loading method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand all ends
Flow Control Device: piston
Disk Loading Method: spring
Maximum Operating Temp: 300.0 fahrenheit single response
Minimum Operating Temp: 33.0 fahrenheit
End Item Identification: usn 54-09140 thru 54-09148, 54-09151 mdl wsm2700tbwwb
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 50.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Opening Pressure Setting: 1.0 pounds per square inch
Material: copper alloy body
Style Designator: straight thru
Thread Series Designator: npt all ends

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
4753K33	Check Valve
4753K43	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-545-6664?

The FSCG of the NSN 4820-01-545-6664 is 4820

Does the NSN 4820-01-545-6664 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301010

Does NSN 4820-01-545-6664 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 4820-01-545-6664 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-545-6664 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 4820-01-545-6664 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Tue, Nov 21, 2006