B-4SG

View detailed technical data, stock status, and sourcing information for: B-4SG
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-252-3201

Item Name Code

05485

Assigment Date

04/01/1987 (39 years ago)

right-hand all ends thread direction, 3a all ends thread class, stem flow control device, threaded bonnet attachment method, 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: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: stem
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: flareless (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Facility: panel
Thread Quantity Per Inch: 20 all ends
Maximum Operating Pressure: 2000.0 pounds per square inch single response
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 12.5 degrees all ends
Special Features: includes cap type handle
Material: steel corrosion resisting overall
Style Designator: straight thru
Thread Series Designator: unj 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
000-8005-288	Globe Valve
6303449-001	Globe Valve
B-4SG	Globe Valve
B-SS4	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-252-3201?

The FSCG of the NSN 4820-01-252-3201 is 4820

Does the NSN 4820-01-252-3201 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-252-3201 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 4820-01-252-3201 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-252-3201 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 4820-01-252-3201 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Apr 1, 1987