Safety Relief Valve

667764

667764
(NSN) National Stock Number
4820-00-095-0561
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
05488
Schedule B Code
8481400000
Summary

Poppet flow control device, spring disk loading method, 10.0 gallons per minute valve discharge flow rate, butt weld pipe 1st end connection type, threaded fastener mounting facility, pressure tight outlet side features provided

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
2 - - MF
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
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.
Valve Discharge Flow Rate
10.0 gallons per minute
Details The rated valve discharge capacity per unit of time.
Connection Type
butt weld pipe 1st end
Details Indicates the type of connection/s/.
Mounting Facility
threaded fastener
Details The facility for mounting the item.
Features Provided
pressure tight outlet side
Details Those features,not otherwise specified,which may be required for proper functioning of the item.
Maximum Operating Pressure
250.0 pounds per square inch single response
Details The maximum pressure at which the item is rated for operation.
Opening Pressure Setting
12.0 pounds per square inch
Details The predetermined pressure at which the item is calibrated to open.
Material
aluminum alloy body
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
aluminum alloy seat
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Media For Which Designed
hydraulic fluid, phosphate-ester 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
6-250-78 92003 5 - 3 2 - MF
5-345-75 45681 5 - 5 9 - MF
6-250-78 45681 5 - 5 9 - MF
5010R 96124 5 - 3 2 - MF
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
- 594 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 4820-00-095-0561
What is the NIIN of the NSN 4820-00-095-0561?
The National Item Identification Number (NIIN) of the NSN 4820-00-095-0561 is 00-095-0561
When the NSN 4820-00-095-0561 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-095-0561 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-095-0561 contain any hazardous material?
No data in HMIRS

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