Model: 7904045-00

Gaseou Pressure Equalizing Valve

Properties:

Body Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Maximum Operating Pressure
5.5 pounds per square inch
Outside Surface Treatment
Anodized, mil-a-8625, type 2
Stem Material
Steel, corrosion resisting
Media For Which Designed
Air
Seat Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Flow Control Device
Needle
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
1
Disk Loading Method
Spring and weight
Opening Pressure Setting
9.7 pounds per square inch
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Pressure
Absolute Pressure Setting
5.5
NSN
4820-00-346-2317
Part Number
7904045-00
Description
Valve,pressure Equalizing,gaseou
CAGE
06401

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 7904045-00 NSN 4820-00-346-2317

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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