Restrictor Check Valve

4821902-6

4821902-6
(NSN) National Stock Number
4820-00-243-9752
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
20520
Schedule B Code
8481302090
Summary

Poppet flow control device, spring disk loading method, plain (tube) all ends connection style, automatic valve operation method, unthreaded internal tube all ends connection type, horizontal or vertical mounting position

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.
Disk Loading Method
spring
Details The means of closing the item when inlet pressure decreases.
Connection Style
plain (tube) 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
unthreaded internal tube all ends
Details Indicates the type of connection/s/.
Mounting Position
horizontal or vertical
Details The installed position for which the item is designed.
Nominal Outside Diameter Tube Accommodated
0.862 inches all ends
Details The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Material
steel corrosion resisting overall
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
74821902 0AHU0 5 - 5 2 - AX
7001190 07988 5 - 5 9 - AX
PD278B16-5 07988 2 - 5 9 - AX
4821902-6 7T245 6 - 5 2 - ZZ
4821902-6 68864 6 - 5 9 - ZZ
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
- 594 Z 9

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Manufacturer
KALMAR AC INC
CAGE: 0AHU0
COVINGTON , GA , 30014
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-243-9752
What is the NIIN of the NSN 4820-00-243-9752?
The National Item Identification Number (NIIN) of the NSN 4820-00-243-9752 is 00-243-9752
When the NSN 4820-00-243-9752 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Tue, Dec 28, 1971
Does the NSN 4820-00-243-9752 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-243-9752 contain any hazardous material?
No data in HMIRS

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