Safety Relief Valve

HR5558

HR5558
(NSN) National Stock Number
4820-00-091-7887
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05488
Schedule B Code
8481400000
Summary

Right-hand all ends thread direction, stem flow control device, plain,optional end(pipe) all ends connection style, automatic valve operation method, threaded internal pipe all ends connection type, 0.750 inches all ends nominal thread size

DAC HCC DMIL RNCC
5 - - 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
stem
Details The part that controls the flow through the item.
Connection Style
plain,optional end(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 internal pipe all ends
Details Indicates the type of connection/s/.
Nominal Thread Size
0.750 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Material
copper alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
angle
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
81312S41-589PC89 53711 5 - 3 2 - AX
81312S41-667PC89 53711 5 - 3 2 - AX
81312S41-785PC89 53711 5 - 3 2 - AX
64-8-2929 51228 5 - 5 9 - AX
81312S41-589PC89 80064 5 - 5 9 - AX
81312S41-667PC89 80064 5 - 5 9 - AX
81312S41-785PC89 80064 5 - 5 9 - 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
- 594 Z 9

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Manufacturer
ECOLAIRE INC BALDWIN-HAMILTON CO DIV
CAGE: 51228
MALVERN , PA , 19355
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-091-7887
What is the NIIN of the NSN 4820-00-091-7887?
The National Item Identification Number (NIIN) of the NSN 4820-00-091-7887 is 00-091-7887
When the NSN 4820-00-091-7887 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-091-7887 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-091-7887 contain any hazardous material?
No data in HMIRS

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