Model: D8421-6D52P

Plug Valve

Properties:

Thread Direction
Right-hand all ends
Flow Style
Three-way two port 90 degree plug turn
Maximum Operating Temp
300.0 degrees fahrenheit single response
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Manual
Connection Type
Threaded internal tube all ends
Mounting Facility
Bulkhead
Features Provided
Nonadjustable rotation
Thready Qty Per Inch (tpi)
A18 all ends
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Seat Angle
37.0 degrees all ends
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Aluminum alloy 2014 body and aluminum alloy 2017 body and aluminum alloy 2024 body
Material
Graphite packing
Material
Steel comp 303 flow control device
Material
Steel comp 303 seat
Material Specification
Qq-a-225/4 alloy 2014, t4 federal specification 1st material response body and qq-a-225/5 alloy 2017, t4 federal specification 2nd material response body and qq-a-225/6 alloy 2024, t4 federal specification 3rd material response body
Material Specification
66 federal standard single material response flow control device and aisi 303/sae 30303 assn standard single material response flow control device
Material Specification
66 federal standard single material response seat and aisi 303/sae 30303 assn standard single material response seat
Media For Which Designed
Hydraulic fluid, phosphate-ester base 1st response
Media For Which Designed
Steam 2nd response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Thread Series Designator
Unf all ends
NSN
4820-01-204-8610
Part Number
D8421-6D52P
Description
Valve,plug
CAGE
86768

A valve designed to control the flow of a fluid by the rotation of a ported plug or plug sector within a suitable ported seat. The plug requires lubrication for ease of operation or contains a bonded composition seal(s). See also valve, seatless and cock, plug.

Part D8421-6D52P NSN 4820-01-204-8610

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05490
FIIG:
A046B0
Concept No.:
1
App. Key:
AM
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481805090
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Taps, cocks, valves and similar appliances, nesoi, hand operated, of materials other than copper, iron or steel

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