2640-403X1 ASSEMBLY AX

View detailed technical data, stock status, and sourcing information for: 2640-403X1 ASSEMBLY AX
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-212-9981

Item Name Code

20962

Assigment Date

07/20/1985 (41 years ago)

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.

manual valve operation method, inside screw bonnet type, threaded bonnet attachment method, socket with brazing ring (tube) all ends connection style, unthreaded internal tube all ends connection type

Product Characteristics

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

Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Connection Style: socket with brazing ring (tube) all ends
Valve Operation Method: manual
Connection Type: unthreaded internal tube all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.250 inches all ends
Material: steel corrosion resisting flow control device
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru

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
2640-403X1	Ball Valve
2640-403X1 ASSEMBLY AX	Ball Valve
SS845-2050950	Ball Valve
SS845-2050950 ASSEMBLY AX	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-212-9981?

The FSCG of the NSN 4820-01-212-9981 is 4820

Does NSN 4820-01-212-9981 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 4820-01-212-9981 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-212-9981 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 4820-01-212-9981 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sat, Jul 20, 1985