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803-2177934-B1A1AF

View detailed technical data, stock status, and sourcing information for: 803-2177934-B1A1AF

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803-2177934-B1A1AF
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-256-8524
Item Name Code
05485
Assigment Date
06/09/1987 (39 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

socket all ends connection style, disk flow control device, manual valve operation method, unthreaded internal pipe all ends connection type, 0.250 inches all ends nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated
0.250 inches all ends
Flow Control Device
disk
Connection Style
socket all ends
Valve Operation Method
manual
Connection Type
unthreaded internal pipe all ends
Criticality Code Justification
zzzy
Material
copper alloy body
Material
nickel alloy 400 flow control device
Material
nickel alloy 400 stem
Material Document And Classification
mil-c-15726 mil spec single material response body
Material Document And Classification
qq-n-281 fed spec single material response flow control device
Material Document And Classification
qq-n-281 fed spec single material response stem
Furnished Items And Quantity
1 handwheel
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
803-2177934-B1A1AF Globe Valve
803-2177934-B1A1AF L1 Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-256-8524?
The FSCG of the NSN 4820-01-256-8524 is 4820
Does NSN 4820-01-256-8524 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-01-256-8524 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-256-8524 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 4820-01-256-8524 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Tue, Jun 9, 1987

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