Model: 8-1459-18

Check Valve

Properties:

Thread Class
3a 1st end
Thread Class
3b 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Flareless 1st end
Connection Style
Gasket seal (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Threaded internal boss 2nd end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
12 1st end
Thready Qty Per Inch (tpi)
12 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.062 inches 1st end
Thread Size
1.062 inches 2nd end
Seat Angle
12.0 degrees 1st end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Outside Diameter Tube Accommodated
0.750 inches 2nd end
Material
Aluminum body
Material
Steel comp 440c flow control device
Material
Steel comp 440c seat
Material Specification
Qq-s-763 federal specification single material response flow control device
Material Specification
Qq-s-763 federal specification single material response seat
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unj 1st end
Thread Series Designator
Unj 2nd end
NSN
4820-00-787-7247
Part Number
8-1459-18
Description
Valve,check
CAGE
86768

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 8-1459-18 NSN 4820-00-787-7247

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:
U
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: 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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