11566318

View detailed technical data, stock status, and sourcing information for: 11566318

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11566318
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-075-6204
Item Name Code
05488
Assigment Date
04/24/1979 (47 years ago)

disk flow control device, inside spring bonnet type, 3a all ends thread class, right-hand all ends thread direction, integral bonnet attachment method

Product Characteristics

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

Thread Class
3a all ends
Thread Direction
right-hand all ends
Flow Control Device
disk
Bonnet Type
inside spring
Bonnet Attachment Method
integral
Disk Loading Method
spring
Maximum Operating Temp
85.0 celsius single response
Connection Style
plain (pipe) all ends
Valve Operation Method
automatic
Connection Type
threaded external tube all ends
Thread Quantity Per Inch
20 all ends
Adjustable Pressure Range
+85.0 to 90.0 pounds per square inch
Maximum Operating Pressure
200.0 pounds per square inch single response
Nominal Thread Size
0.437 inches all ends
Material
aluminum alloy 2024 body
Material
aluminum alloy 2024 flow control device
Surface Treatment
anodize
Surface Treatment Document And Classification
mil-a-8625,ty 1 mil spec single treatment response
Style Designator
straight thru w/baffle
Thread Series Designator
unjf all 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
11566318 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-075-6204?
The FSCG of the NSN 4820-01-075-6204 is 4820
Does the NSN 4820-01-075-6204 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-075-6204 require demilitarization?
"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Does NSN 4820-01-075-6204 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-075-6204 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 4820-01-075-6204 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Tue, Apr 24, 1979

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 1
New Material 1
Total 2
Availability of this item was last updated on: 05/19/2026 04:05 PM EDT. Stock levels and pricing are subject to change.

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