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255719 ASSY RHL1

View detailed technical data, stock status, and sourcing information for: 255719 ASSY RHL1

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255719 ASSY RHL1
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-256-8531
Item Name Code
20962
Assigment Date
06/09/1987 (39 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, unthreaded internal pipe all ends connection type, socket all ends connection style, 4500.0 pounds per square inch single response maximum operating pressure, zzzy criticality code justification

Product Characteristics

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

Connection Style
socket all ends
Valve Operation Method
manual
Connection Type
unthreaded internal pipe all ends
Maximum Operating Pressure
4500.0 pounds per square inch single response
Criticality Code Justification
zzzy
Material
copper alloy 630 stem
Material
plastic seat
Material
steel comp 304 flow control device
Material
steel corrosion resisting body
Material Document And Classification
mi1-s-867,cl iii mil spec single material response body
Material Document And Classification
qq-c-465,comp 630 fed spec single material response stem
Material Document And Classification
qq-s-763,cl 304,cond a fed spec single material response flow control device
Style Designator
straight thru
Furnished Items And Quantity
1 handle
Reference Number Differentiating Characteristics
quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 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
255719 ASSY RH Ball Valve
255719 ASSY RHL1 Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-256-8531?
The FSCG of the NSN 4820-01-256-8531 is 4820
Does the NSN 4820-01-256-8531 have a Schedule B code assigned?
Yes, the Schedule B code is 8481803070
Does NSN 4820-01-256-8531 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-01-256-8531 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-256-8531 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 4820-01-256-8531 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Tue, Jun 9, 1987

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

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  • DDTC Registered
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  • AS9120 Quality Standards
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