Safety Relief Valve

L1881-5

L1881-5
(NSN) National Stock Number
4820-00-566-9804
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05488
Schedule B Code
8481400000
Summary

0.750 inches all ends nominal pipe size accommodated, right-hand all ends thread direction, disk flow control device, spring disk loading method, 28.0 gallons per minute valve discharge flow rate, pressed-in renewable seat ring type

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
9 - - AX
Identification

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

INC FIIG Concept Condition
05488 A046B0 1 2
Specifications
Nominal Pipe Size Accommodated
0.750 inches all ends
Details A measurement of the pipe size the item will accommodate.
Thread Direction
right-hand all ends
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Flow Control Device
disk
Details The part that controls the flow through the item.
Disk Loading Method
spring
Details The means of closing the item when inlet pressure decreases.
Valve Discharge Flow Rate
28.0 gallons per minute
Details The rated valve discharge capacity per unit of time.
Renewable Seat Ring Type
pressed-in
Details Indicates the type of renewable seating ring in the item.
End Item Identification
grumman aerospace a10 aircraft
Details The national stock number or the identification information of the end equipment for which the item is a part.
Connection Style
plain,optional end(pipe) all ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Valve Operation Method
automatic
Details The means used to control the operation of the valve.
Connection Type
threaded internal pipe all ends
Details Indicates the type of connection/s/.
Nominal Thread Size
0.750 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Style Designator
angle
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
npt all ends
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
1251512 93408 5 - 3 9 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
64490 - P -
RVC WCC TCC SHC
- 594 Z 9

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Manufacturer
JOHN BEAN TECHNOLOGIES CORPORATION DBA JBT AEROTECH-MILITARY PROGRAMS DIV JBT AEROTECH
CAGE: 93408
ORLANDO , FL , 32809-5620
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-566-9804
What is the NIIN of the NSN 4820-00-566-9804?
The National Item Identification Number (NIIN) of the NSN 4820-00-566-9804 is 00-566-9804
When the NSN 4820-00-566-9804 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Thu, Nov 28, 1974
Does the NSN 4820-00-566-9804 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-566-9804 contain any hazardous material?
No data in HMIRS

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