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2641-740 ASSY IRCT

View detailed technical data, stock status, and sourcing information for: 2641-740 ASSY IRCT

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2641-740 ASSY IRCT
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-015-7478
Item Name Code
20962
Assigment Date
01/27/1976 (50 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.

pressed-in renewable seat ring type, manual valve operation method, round with holes 1st end flange shape, 3 2nd end bolt hole quantity, 4 1st end 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.

Renewable Seat Ring Type
pressed-in
Bolt Hole Quantity
3 2nd end
Bolt Hole Quantity
4 1st end
Valve Operation Method
manual
Flange Shape
round with holes 1st end
Flange Shape
round with holes 2nd end
Connection Type
flange 1st end
Connection Type
flange 2nd end
Valve Size
0.500 inches
Maximum Operating Pressure
650.0 pounds per square inch single response
Criticality Code Justification
zzzy
Nominal Outside Diameter
3.562 inches 2nd end
Nominal Outside Diameter
4.125 inches 1st end
First Connection Face To Centerline Distance
5.625 inches
Bolt Hole Nominal Diameter
0.562 inches 2nd end
Bolt Hole Nominal Diameter
0.688 inches 1st end
Second Connection Face To Centerline Distance
5.188 inches
Bolt Circle Nominal Diameter
2.438 inches 2nd end
Bolt Circle Nominal Diameter
2.750 inches 1st end
Flange Face Design
plain 1st end
Flange Face Design
plain 2nd end
Style Designator
straight thru flanged ends
Reference Number Differentiating Characteristics
material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items

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
2641-740 ASSY IRCT Ball Valve
2641-740 ASSY IRCTL1 Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-015-7478?
The FSCG of the NSN 4820-01-015-7478 is 4820
Does NSN 4820-01-015-7478 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-01-015-7478 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-015-7478 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 4820-01-015-7478 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Tue, Jan 27, 1976

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