4820-01-237-6179

Find complete technical information, availability, and procurement data for: 4820-01-237-6179
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-237-6179

Item Name Code

20962

Assigment Date

08/03/1986 (39 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, unthreaded internal pipe all ends connection type, 170.0 fahrenheit single response maximum operating temp, 0.375 inches all ends nominal pipe size accommodated, socket all ends connection style

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.375 inches all ends
Maximum Operating Temp: 170.0 fahrenheit single response
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Material: nickel alloy flow control device
Material: nickel and copper and copper alloy body
Material: plastic polytrifluoroethylene seat
Material: steel comp 303 stem
Media For Which Designed: air 1st response
Media For Which Designed: fuel/oil, hydrocarbon 2nd response
Media For Which Designed: helium 3rd response
Media For Which Designed: nitrogen, gaseous 4th response
Style Designator: straight thru
Furnished Items And Quantity: 2 nut and 2 tailpiece

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
006-410603-N-30-83 AND 410644	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-237-6179?

The FSCG of the NSN 4820-01-237-6179 is 4820

Does NSN 4820-01-237-6179 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 4820-01-237-6179 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-237-6179 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 4820-01-237-6179 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Aug 3, 1986