Model: 8821-1

Vacuum Breaking Valve

Properties:

Body Material
Steel, corrosion resisting, qq-s-763, cl 316, cond b
Outside Surface Treatment
Any acceptable
Body Style
Single connection, straight flow
Tempurature Rating
-40.0 degrees fahrenheit
Tempurature Rating
300.0 degrees fahrenheit
Media For Which Designed
Air
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.750 inches
First End Thread Size And Series/type Designator
1.062-12 un
First End Thread Class
3a
First End Thread Direction
Right-hand
Seat Material
Any acceptable
First End Seat Angle In Deg
37.0
Flow Control Device
Poppet
Flow Control Device Material
Any acceptable
End Connection Quantity
1
Tempurature Adjustability
Not adjustable
Absolute Pressure Setting
Not rated
Absolute Pressure Range
Not rated
NSN
4820-00-563-7721
Part Number
8821-1
Description
Valve,vacuum Breaking
CAGE
98087

An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.

Part 8821-1 NSN 4820-00-563-7721

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08101
FIIG:
A07100
Concept No.:
App. Key:
AT
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:
77.5
WCC:
594
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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