Safety Relief Valve

559A-2M-1.5

559A-2M-1.5
(NSN) National Stock Number
4820-01-116-5882
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05488
Schedule B Code
8481400000
Summary

Right-hand all ends thread direction, disk flow control device, spring disk loading method, 250.0 deg fahrenheit single response maximum operating temp, plain (pipe) all ends connection style, automatic valve operation method

DAC HCC DMIL RNCC
5 - - 3
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
disk
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.
Maximum Operating Temp
250.0 deg fahrenheit single response
Details The maximum temperature at which the item is rated to operate for an extended period of time.
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
0.250 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Opening Pressure Setting
1.5 pounds per square inch
Details The predetermined pressure at which the item is calibrated to open.
Material
aluminum overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
anodize
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Style Designator
straight thru
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
npt 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
11779-38 08441 6 - 5 9 - ZZ
A11779-38 08441 5 - 5 9 - AX
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 -
RVC WCC TCC SHC
- 671 Z 9

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Manufacturer
BAXTER KELLY AND FAUST INC WORTHVILLE PLANT
CAGE: 91865
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FAQs
Frequently asked questions for NSN 4820-01-116-5882
What is the NIIN of the NSN 4820-01-116-5882?
The National Item Identification Number (NIIN) of the NSN 4820-01-116-5882 is 01-116-5882
When the NSN 4820-01-116-5882 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Thu, Jul 30, 1981
Does the NSN 4820-01-116-5882 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-01-116-5882 contain any hazardous material?
No data in HMIRS

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