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Lift-check Valve NSN 4820-00-953-5685

Item Description

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

NSN 4820-00-953-5685 NSN: 4820-00-953-5685

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
Plain, optional end (pipe) 1st end
Valve Operation Method
Manual
Connection Type
Threaded internal tube 1st end
Mounting Facility
Threaded fastener
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
20 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military standard single treatment response
Style Designator
Straight thru
Test Data Document
70236-t1176 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)
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
009535685
NSN
4820009535685

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
32-41106-301
Cage Code:
76301
Status:
A
MSDS:
Part Number:
32-691550-19
Cage Code:
76301
Status:
A
MSDS:
Part Number:
5905-1
Cage Code:
70236
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-00-953-5685
What are the manufacturers of nsn 4820009535685?
Does this nsn 4820009535685 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009535685
A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. in the first 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. in the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. the valve disk may be spring loaded. see also valve, stop-check and valve, stop-lift-check.
Does nsn 4820009535685 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009535685 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009535685?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27828
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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