Model: P4-309-1-1

Gaseou Pressure Equalizing Valve

Properties:

Body Material
Aluminum alloy, qq-a-200/3, alloy 2024, t4
Maximum Operating Pressure
15.0 pounds per square inch
Outside Surface Treatment
Anodized
Body Style
Single connection straight thru
Tempurature Rating
-65.0 degrees fahrenheit
Tempurature Rating
300.0 degrees fahrenheit
Tempurature Rating
-65.0 degrees fahrenheit and 300.0 degrees fahrenheit
Media For Which Designed
Air
First End Connection Type
Threaded external boss
First End Style Designator
Plain
First End Thread Size And Series/type Designator
7/8-20 unef
First End Thread Class
3a
First End Thread Direction
Right-hand
Seat Material
Aluminum alloy, qq-a-200/3, alloy 2024, t4
Flow Control Device
Poppet
Flow Control Device Material
Aluminum alloy, qq-a-200/3, alloy 2024, t4
End Connection Quantity
1
Disk Loading Method
Spring
Opening Pressure Setting
2.0 pounds per square inch
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Pressure
NSN
4820-00-199-2392
Part Number
P4-309-1-1
Description
Valve,pressure Equalizing,gaseou
CAGE
91816

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

Part P4-309-1-1 NSN 4820-00-199-2392

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10958
FIIG:
A07100
Concept No.:
1
App. Key:
AP
Cond. Code:
1
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
100.0
WCC:
594
TCC:
Z
SHC:
Z
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481809050
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi

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