Safety Relief Valve

A-5679

A-5679
(NSN) National Stock Number
4820-00-542-5683
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05488
Schedule B Code
8481400000
Summary

Right-hand all ends thread direction, ball flow control device, spring disk loading method, multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv) end item identification, plain (pipe) all ends connection style, automatic valve operation method

DAC HCC DMIL RNCC
3 - - 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
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
ball
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.
End Item Identification
multiple launch rocket system (mlrs); armored multi-purpose vehicle (ampv)
Details The national stock number or the identification information of the end equipment for which the item is a part.
Connection Style
plain (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 external pipe all ends
Details Indicates the type of connection/s/.
Nominal Thread Size
0.125 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Opening Pressure Setting
25.0 pounds per square inch
Details The predetermined pressure at which the item is calibrated to open.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment Document And Classification
qq-p-416,type 2,class 3 fed spec single treatment response
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
Style Designator
angle
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
ptf-spl short 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
4820005425683 A00AM 9 - 6 9 - YP
4820005425683 SCY13 9 - 5 9 - YP
5679 0VF45 3 - 5 1 - ZZ
MS35670 96906 E - 4 1 - ZZ
MS35670-4B 96906 E - 2 2 - 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
- 576 Z 9

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Manufacturer
LINCOLN ENGINEERING CO OF CALIFORNIA
CAGE: 04043
WALNUT , CA , 91788
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-542-5683
What is the NIIN of the NSN 4820-00-542-5683?
The National Item Identification Number (NIIN) of the NSN 4820-00-542-5683 is 00-542-5683
When the NSN 4820-00-542-5683 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-542-5683 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-542-5683 contain any hazardous material?
No data in HMIRS

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