4820-00-848-1925

Find complete technical information, availability, and procurement data for: 4820-00-848-1925
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-848-1925

Item Name Code

20520

Assigment Date

12/30/1966 (59 years ago)

disk flow control device, 0.078 inches nominal aperture diameter, plain, optional end (pipe) all ends connection style, spring disk loading method, right-hand all ends thread direction

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
Aperture Diameter: 0.078 inches nominal
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Nominal Thread Size: 0.750 inches all ends
Material: aluminum flow control device
Material: steel body
Style Designator: straight thru
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3930-00-237-5736	No Name Available	09/17/1971

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
190D6-17	Restrictor Check Valve
190D617	Restrictor Check Valve
30W10594X	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-848-1925?

The FSCG of the NSN 4820-00-848-1925 is 4820

Does the NSN 4820-00-848-1925 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-848-1925 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 4820-00-848-1925 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-848-1925 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 4820-00-848-1925 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Dec 30, 1966