Model: A51E9071-1

Check Valve

Special Features:

Weapon system essential

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
500.0 degrees fahrenheit single response
End Application
F-14a aircraft
Connection Style
Flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
16 1st end
Thread Size
0.750 inches 1st end
Seat Angle
37.0 degrees 1st end
Criticality Code Justification
Feat
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Aluminum alloy 2024 seat
Material
Aluminum alloy 2024 body
Material
Aluminum alloy 2024 body lining
Media For Which Designed
Air single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Unf 1st end
NSN
4820-00-431-6186
Part Number
A51E9071-1
Description
Valve,check
CAGE
61174

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part A51E9071-1 NSN 4820-00-431-6186

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
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:
Y

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: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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