Model: 6406-077

Check Valve

Special Features:

6 psi cracking pressure; media hydraulic fluid

Properties:

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
Plain, optional end (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal pipe 1st end
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3800.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Thread Size
0.750 inches 2nd end
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Steel comp 440a flow control device
Material
Stainless steel body
Style Designator
Straight thru
Thread Series Designator
Npt 2nd end
Thread Series Designator
Npt 3rd end
Thread Series Designator
Npt 1st end
NSN
4820-00-872-7729
Part Number
6406-077
Description
Valve,check
CAGE
91561

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 6406-077 NSN 4820-00-872-7729

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: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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