3-8-411B

View detailed technical data, stock status, and sourcing information for: 3-8-411B

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3-8-411B
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-964-4251
Item Name Code
20962
Assigment Date
01/01/1962 (64 years ago)

bolted bonnet attachment method, right-hand all ends thread direction, 0.375 inches all ends nominal pipe size accommodated, plain,optional end(pipe) all ends connection style, pressed-in renewable seat ring type

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
Thread Direction
right-hand all ends
Bonnet Attachment Method
bolted
Renewable Seat Ring Type
pressed-in
Connection Style
plain,optional end(pipe) all ends
Valve Operation Method
manual
Connection Type
threaded internal pipe all ends
Thread Quantity Per Inch
18 all ends
Maximum Operating Pressure
150.0 pounds per square inch single response
Nominal Thread Size
0.375 inches all ends
Material
copper alloy body
Material
copper alloy flow control device
Material
rubber synthetic seat
Style Designator
straight thru
Thread Series Designator
npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-00-850-3296 No Name Available 09/06/1967

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
3-8-411B Ball Valve
4-1-1B Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-00-964-4251?
The FSCG of the NSN 4820-00-964-4251 is 4820
Does the NSN 4820-00-964-4251 have a Schedule B code assigned?
Yes, the Schedule B code is 8481801085
Does NSN 4820-00-964-4251 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 4820-00-964-4251 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-964-4251 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 4820-00-964-4251 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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