NATO Stock Number
4820-01-538-2850
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
425.0 degrees fahrenheit single response
End Application
W/s cvn nr boundary area
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Manual override
Valve Size
3.500 inches
Adjustable Pressure Range
+11.0/+17.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Outside Diameter
7.188 inches all ends
Thickness
0.500 inches all ends
First Connection Face To Centerline Distance
7.250 inches
Bolt Hole Diameter
0.562 inches all ends
Second Connection Face To Centerline Distance
5.500 inches
Bolt Circle Diameter
6.062 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy flow control device
Material
Copper alloy stem
Material
Copper alloy body
Material
Nickel alloy seat
Material Specification
11-n-268 federal specification single material response seat
Material Specification
Mil-b-16541 military specification single material response body
Material Specification
Mil-b-16541 military specification single material response flow control device
Material Specification
Qq-b-637 comp i federal specification single material response stem
Media For Which Designed
Water, fresh single response
Test Data Document
Mil-s-901c specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Furnished Items And Quantity
1 lever
Specification Data
81349 - mil-v-20065c government specification
Nondefinitive Specification/std Data
A-1 type and c class
Departure From Cited Document
Relief valve
