Safety Relief Valve

3H90007-101

3H90007-101
(NSN) National Stock Number
4820-00-758-8763
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05488
Schedule B Code
8481400000
Summary

3b 1st end thread class, right-hand 1st end thread direction, poppet flow control device, spring disk loading method, 24.0 gallons per minute valve discharge flow rate, gasket seal(boss) 1st end connection style

DAC HCC DMIL RNCC
A - - 1
RNVC SADC MSDS RNAAC
2 - - MF
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
Thread Class
3b 1st end
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand 1st end
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
poppet
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
24.0 gallons per minute
Details The rated valve discharge capacity per unit of time.
Connection Style
gasket seal(boss) 1st end
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 boss 1st end
Details Indicates the type of connection/s/.
Features Provided
pressure tight outlet side
Details Those features,not otherwise specified,which may be required for proper functioning of the item.
Thread Quantity Per Inch
12 1st end
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Maximum Operating Pressure
3560.0 pounds per square inch single response
Details The maximum pressure at which the item is rated for operation.
Nominal Thread Size
1.500 inches 1st end
Details A designation that is used for the purpose of general identification of the thread.
Opening Pressure Setting
3240.0 pounds per square inch
Details The predetermined pressure at which the item is calibrated to open.
Media For Which Designed
fuel/oil, hydrocarbon single response
Details The type of media for which the item is designed.
Thread Series Designator
un 1st end
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
1411 06177 5 - 3 2 - MF
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
64490 - P P
RVC WCC TCC SHC
- 594 Z Z

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Manufacturer
LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
CAGE: 98897
MARIETTA , GA , 30063-0001
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-758-8763
What is the NIIN of the NSN 4820-00-758-8763?
The National Item Identification Number (NIIN) of the NSN 4820-00-758-8763 is 00-758-8763
When the NSN 4820-00-758-8763 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Fri, Jan 1, 1960
Does the NSN 4820-00-758-8763 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-758-8763 contain any hazardous material?
No data in HMIRS

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