Restrictor Check Valve

749831-119

749831-119
(NSN) National Stock Number
4820-00-288-0614
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
20520
Schedule B Code
8481302090
Summary

Poppet flow control device, 275.0 deg fahrenheit single response maximum operating temp, automatic valve operation method, horizontal or vertical mounting position, 3000.0 pounds per square inch single response maximum operating pressure, steel corrosion resisting body material

DAC HCC DMIL RNCC
6 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

INC FIIG Concept Condition
20520 A530B0 1 1
Specifications
Flow Control Device
poppet
Details The part that controls the flow through the item.
Maximum Operating Temp
275.0 deg fahrenheit single response
Details The maximum temperature at which the item is rated to operate for an extended period of time.
Valve Operation Method
automatic
Details The means used to control the operation of the valve.
Mounting Position
horizontal or vertical
Details The installed position for which the item is designed.
Maximum Operating Pressure
3000.0 pounds per square inch single response
Details The maximum pressure at which the item is rated for operation.
Material
steel corrosion resisting body
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Media For Which Designed
hydraulic fluid, petroleum base single response
Details The type of media for which the item is designed.
Style Designator
straight thru
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
6F2962-119 99240 1 - 3 2 - KE
4R121-119 82829 5 - 3 2 - KE
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
29300 - W -
RVC WCC TCC SHC
- 593 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 4820-00-288-0614
What is the NIIN of the NSN 4820-00-288-0614?
The National Item Identification Number (NIIN) of the NSN 4820-00-288-0614 is 00-288-0614
When the NSN 4820-00-288-0614 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Wed, Sep 12, 1973
Does the NSN 4820-00-288-0614 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-288-0614 contain any hazardous material?
No data in HMIRS

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