Pressure and Temper Relief Valve

4H90623-101A

4H90623-101A
(NSN) National Stock Number
4820-00-344-4511
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
16996
Schedule B Code
8481400000
Summary

Straight thru body style, -65.0 deg fahrenheit temp rating, 250.0 deg fahrenheit temp rating, hydrocarbon fuels and oils media for which designed, threaded internal tube first end connection type, identical second end relationship with first end

DAC HCC DMIL RNCC
2 - - 1
RNVC SADC MSDS RNAAC
2 - - MB
Identification

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

INC FIIG Concept Condition
16996 A07100 1 1
Specifications
Body Style
straight thru
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
Temp Rating
-65.0 deg fahrenheit
Details A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
Temp Rating
250.0 deg fahrenheit
Details A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
Media For Which Designed
hydrocarbon fuels and oils
Details The type of service with which the item is designed to be used. please use mrc meda in place of this discontinued mrc.
First End Connection Type
threaded internal tube
Details A narrative description of the type of end connection.
Second End Relationship With First End
identical
Details Indicates whether or not the second end is identical to the first end. please use mrc cqbb in place of this discontinued mrc.
Flow Control Device
poppet
Details The part that controls the flow through the item.
End Connection Quantity
2
Details The number of end connections included in the item.
Valve Discharge Flow Rate
20.0 gallons per minute
Details The rated valve discharge capacity per unit of time.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
9343 06177 2 - 3 2 - MB
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 S
RVC WCC TCC SHC
- 743 Z 9

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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 4820-00-344-4511
What is the NIIN of the NSN 4820-00-344-4511?
The National Item Identification Number (NIIN) of the NSN 4820-00-344-4511 is 00-344-4511
When the NSN 4820-00-344-4511 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Thu, Jan 11, 1968
Does the NSN 4820-00-344-4511 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-344-4511 contain any hazardous material?
No data in HMIRS

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