B666M10

View detailed technical data, stock status, and sourcing information for: B666M10
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-886-3804

Item Name Code

20572

Assigment Date

11/22/1967 (58 years ago)

115.0 fahrenheit single response maximum operating temp, gasket seal(boss) all ends connection style, right-hand all ends thread direction, 3b all ends thread class, piston 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 Class: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: piston
Maximum Operating Temp: 115.0 fahrenheit single response
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches 3rd end
Nominal Thread Size: 0.875 inches 1st end
Nominal Thread Size: 0.875 inches 2nd end
Center To Center Distance: 1.265 inches
Material: aluminum alloy overall
Media For Which Designed: hydraulic fluid, phosphate-ester base single response
Style Designator: straight thru
Thread Series Designator: unjf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-592-5616	No Name Available	08/25/1972

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
2614254-1	Shuttle Valve
B666M10	Shuttle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-886-3804?

The FSCG of the NSN 4820-00-886-3804 is 4820

Does the NSN 4820-00-886-3804 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-886-3804 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 4820-00-886-3804 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-886-3804 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 4820-00-886-3804 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Nov 22, 1967