Model: 845-1889587ASSYF3-4

Stop-check Valve

Properties:

Pipe Size Accommodated
0.750 inches 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Weight
Renewable Seat Ring Type
Threaded
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
Sturgeon class ssn (637); combat system support equipment
Connection Style
Socket (pipe) 1st end
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe 1st end
Mounting Position
Vertical
Features Provided
Bonnet packing
Maximum Operating Pressure
700.0 pounds per square inch single response
Material
Copper alloy 922 body
Material
Nickel alloy r-405 seat
Material
Nickel alloy r-405 stem
Material
Plastic flow control device
Media For Which Designed
Water-oil-gas single response
Style Designator
Angle
Test Data Document
96169-2620-902assyf3/4 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
NSN
4820-00-045-5077
Part Number
845-1889587ASSYF3-4
Description
Valve,stop-check
CAGE
80064

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 845-1889587ASSYF3-4 NSN 4820-00-045-5077

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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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