4820-00-409-6186

Find complete technical information, availability, and procurement data for: 4820-00-409-6186
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-409-6186

Item Name Code

05488

Assigment Date

07/20/1970 (56 years ago)

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. For items specifically designed for aviation, see pulley(1), groove, aviation.

automatic valve operation method, threaded external pipe 1st end connection type, right-hand 1st end thread direction, plain (pipe) 1st end connection style, 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.

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Nominal Thread Size: 0.375 inches 1st end
Material: steel overall
Style Designator: straight thru
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-454-7582	No Name Available	07/01/1991

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
111765	Safety Relief Valve
111765-001	Safety Relief Valve
AA325A	Safety Relief Valve
AA600	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-409-6186?

The FSCG of the NSN 4820-00-409-6186 is 4820

Does the NSN 4820-00-409-6186 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-409-6186 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 4820-00-409-6186 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-409-6186 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 4820-00-409-6186 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Jul 20, 1970