4820-01-431-2391

Find complete technical information, availability, and procurement data for: 4820-01-431-2391
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-431-2391

Item Name Code

16989

Assigment Date

05/09/1996 (30 years ago)

A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes:spring loaded or automatic type air pressure relief valves, and bolt, fluid passage.

manual valve operation method, 4920-01-186-5820; engine, aircraft, f- end item identification, straight thru style designator, 1 handle furnished items and quantity, poppet flow control device

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
End Item Identification: 4920-01-186-5820; engine, aircraft, f-
Valve Operation Method: manual
Style Designator: straight thru
Furnished Items And Quantity: 1 handle

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
8003-30	Poppet Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-431-2391?

The FSCG of the NSN 4820-01-431-2391 is 4820

Does the NSN 4820-01-431-2391 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-431-2391 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 4820-01-431-2391 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-431-2391 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 4820-01-431-2391 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 9, 1996