814BB1/4

View detailed technical data, stock status, and sourcing information for: 814BB1/4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-023-2540

Item Name Code

05485

Assigment Date

06/13/1976 (50 years ago)

right-hand all ends thread direction, threaded bonnet attachment method, needle flow control device, 2a all ends thread class, inside screw bonnet type

Product Characteristics

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

Thread Class: 2a all ends
Thread Direction: right-hand all ends
Flow Control Device: needle
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: flareless (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Nominal Thread Size: 0.500 inches all ends
Seat Angle: 20.0 degrees all ends
Special Features: furnished w/two tube nuts and two ferules
Material: copper alloy body
Material: copper alloy seat
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting stem
Style Designator: straight thru
Thread Series Designator: unf all ends

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
814BB1/4	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-023-2540?

The FSCG of the NSN 4820-01-023-2540 is 4820

Does NSN 4820-01-023-2540 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 4820-01-023-2540 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-023-2540 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 4820-01-023-2540 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sun, Jun 13, 1976