Model: 3-758-51-9

Stop-check Valve

Properties:

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Maximum Operating Temp
150.0 degrees fahrenheit single response
Connection Style
Gasket seal (boss) 1st end
Valve Operation Method
Manual
Connection Type
Threaded internal boss 1st end
Thready Qty Per Inch (tpi)
16 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Rubber butadiene-acrylonitrile class nbr seat
Material
Steel comp 303 body
Material
Steel comp 303 stem
Media For Which Designed
Hydraulic fluid, petroleum base single response
Surface Treatment
Passivate
Style Designator
Straight thru
Thread Series Designator
Unjf 1st end
NSN
4820-00-794-4991
Part Number
3-758-51-9
Description
Valve,stop-check
CAGE
92003

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part 3-758-51-9 NSN 4820-00-794-4991

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
2
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:
Z
ACC:
Equipment for Aircraft

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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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