Model: A51H9093-3

Restrictor Check Valve

Special Features:

Installation of jam nut and torque to 10 inch pounds

Properties:

Thread Class
3a 2nd end
Thread Class
3b 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded internal boss 1st end
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
18 1st end
Thread Size
0.562 inches 1st end
Thread Size
0.562 inches 2nd end
Material
Aluminum alloy
Style Designator
Straight thru
Thread Series Designator
Unjs 2nd end
NSN
4820-01-135-1676
Part Number
A51H9093-3
Description
Valve,restrictor Check
CAGE
61174

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Part A51H9093-3 NSN 4820-01-135-1676

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20520
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:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
671
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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