4820-01-178-6476

Find complete technical information, availability, and procurement data for: 4820-01-178-6476
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-178-6476

Item Name Code

05487

Assigment Date

05/09/1984 (42 years ago)

"an item designed to drain fluids from fuel systems, tanks, filters, or similar items. It has a mounting end, a free flowing end, and a quick-acting nonmetallic sealed closure, usually spring loaded, that holds it in an "off" position. It requires no lubrication other than from the fluid being drained."

gasket seal (boss) 1st end connection style, 400.0 fahrenheit single response maximum operating temp, 2b 1st end thread class, poppet flow control device, right-hand 1st end 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 Class: 2b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Thread Size: 1.250 inches 1st end
Material: steel corrosion resisting body
Style Designator: straight thru
Thread Series Designator: unf 1st end

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
RV-25-1X/12	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-178-6476?

The FSCG of the NSN 4820-01-178-6476 is 4820

Does the NSN 4820-01-178-6476 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-178-6476 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 4820-01-178-6476 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-178-6476 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 4820-01-178-6476 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, May 9, 1984