255762 ASSY AT

View detailed technical data, stock status, and sourcing information for: 255762 ASSY AT
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-340-5760

Item Name Code

20962

Assigment Date

06/17/1991 (35 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, flange all ends connection type, round with holes all ends flange shape, 1.000 inches valve size, 4 all ends bolt hole quantity

Product Characteristics

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

Bolt Hole Quantity: 4 all ends
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.000 inches
Nominal Outside Diameter: 4.500 inches 1st end4.250 inches 2nd end
Face To Face Distance: 8.188 inches
Nominal Thickness: 0.750 inches 1st end0.781 inches 2nd end
Bolt Hole Nominal Diameter: 0.531 inches 1st end0.562 inches 2nd end
Bolt Circle Nominal Diameter: 3.125 inches all ends
Flange Face Design: plain all ends
Material: copper alloy 964 bodytitanium flow control deviceplastic acetal seatcopper alloy 964 stem
Material Document And Classification: mil-c-20159 type 1 mil spec single material response bodymil-c-20159 type 1 mil spec single material response stem
Media For Which Designed: water, salt single response
Style Designator: straight thru flanged 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
255762 ASSY AT	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-340-5760?

The FSCG of the NSN 4820-01-340-5760 is 4820

Does NSN 4820-01-340-5760 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 4820-01-340-5760 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-340-5760 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 4820-01-340-5760 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, Jun 17, 1991