4821902-6

View detailed technical data, stock status, and sourcing information for: 4821902-6
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-243-9752

Item Name Code

20520

Assigment Date

12/28/1971 (54 years ago)

poppet flow control device, spring disk loading method, plain (tube) all ends connection style, unthreaded internal tube all ends connection type, automatic valve operation method

Product Characteristics

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

Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Mounting Position: horizontal or vertical
Nominal Outside Diameter Tube Accommodated: 0.862 inches all ends
Material: steel corrosion resisting overall
Media For Which Designed: hydraulic fluid, petroleum base single response
Style Designator: straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4730-01-269-2368	No Name Available	06/01/1994

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
4821902-6	Restrictor Check Valve
74821902	Restrictor Check Valve
PD278B16-5	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-243-9752?

The FSCG of the NSN 4820-00-243-9752 is 4820

Does the NSN 4820-00-243-9752 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-243-9752 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 4820-00-243-9752 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-243-9752 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 4820-00-243-9752 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Tue, Dec 28, 1971