B2SA

View detailed technical data, stock status, and sourcing information for: B2SA
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-477-1928

Item Name Code

05483

Assigment Date

06/14/1971 (55 years ago)

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

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: disk
Bonnet Type: inside screw
Bonnet Attachment Method: union
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: flareless (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Mounting Facility: bulkhead
Features Provided: valve stem lock shield
Maximum Operating Pressure: 2000.0 pounds per square inch single response
Nominal Thread Size: 0.312 inches all ends
Seat Angle: 20.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.125 inches all ends
Material: copper alloy body
Material: copper alloy seat
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting stem
Material Document And Classification: 18034 1704ph mfr ref single material response flow control device
Material Document And Classification: 18034 1704ph mfr ref single material response stem
Material Document And Classification: ast-31-24-55 assn std single material response body
Material Document And Classification: astmb1-24-55 assn std single material response seat
Surface Treatment: cadmium
Style Designator: angle
Thread Series Designator: unf all ends
Furnished Items And Quantity: 2 ferrule

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
920548-1	Angle Valve
B-SS2-A	Angle Valve
B2SA	Angle Valve

FAQs

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

What is the FSCG of the NSN 4820-00-477-1928?

The FSCG of the NSN 4820-00-477-1928 is 4820

Does the NSN 4820-00-477-1928 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801095

Does NSN 4820-00-477-1928 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 4820-00-477-1928 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-477-1928 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 4820-00-477-1928 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Jun 14, 1971