Product Details | SAFETY RELIEF VALVE

4820-00-768-6349 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.

Part Alternates: 103020, 1030-20, 1030201580, 1030-20-1580, 695862, 6958621, 695862-1, 4820-00-768-6349, 00-768-6349, 4820007686349, 007686349

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-768-6349

Drawings & Photos | NSN 4820-00-768-6349


Demand History | NSN 4820-00-768-6349

Part Number Request Date QTY Origin
1030-20 2025-01-13 3 DIBBS
1030-20-1580 2025-01-13 3 DIBBS
1030-20 2023-12-354 5 DIBBS
1030-20-1580 2023-12-354 5 DIBBS
1030-20 2023-09-250 5 DIBBS
1030-20-1580 2023-09-250 5 DIBBS
1030-20 2023-07-201 2 DIBBS
1030-20-1580 2023-07-201 2 DIBBS
1030-20 2023-03-75 2 DIBBS
1030-20-1580 2023-03-75 2 DIBBS
1030-20 2022-07-209 3 DIBBS
1030-20-1580 2022-07-209 3 DIBBS
1030-20 2022-01-09 2 DIBBS
1030-20-1580 2022-01-09 2 DIBBS
1030-20 2021-07-210 2 DIBBS
1030-20-1580 2021-07-210 2 DIBBS
1030-20 2021-07-199 2 DIBBS
1030-20-1580 2021-07-199 2 DIBBS
4820-00-768-6349 2015-06-162 4 DIBBS
4820-00-768-6349 2015-06-153 2 DIBBS
4820-00-768-6349 2014-11-328 2 DIBBS
4820-00-768-6349 2014-11-316 2 DIBBS
4820-00-768-6349 2014-10-279 2 DIBBS
4820-00-768-6349 2014-09-266 2 DIBBS
103020 2014-05-149 1 Sri Lanka
1030-20 2011-08-230 4 United Kingdom
4820-00-768-6349 2010-08-214 6 DIBBS
4820-00-768-6349 2010-03-64 2 DIBBS
4820-00-768-6349 2010-01-11 3 DIBBS
4820-00-768-6349 2009-11-308 2 DIBBS
4820-00-768-6349 2009-11-308 4 DIBBS
4820-00-768-6349 2009-10-292 4 DIBBS
4820-00-768-6349 2009-07-212 2 DIBBS
4820-00-768-6349 2009-06-154 5 DIBBS
4820-00-768-6349 2009-04-110 1 DIBBS
4820-00-768-6349 2009-02-51 5 DIBBS
4820-00-768-6349 2006-10-295 1 Turkey
4820-00-768-6349 2006-10-294 1 Turkey
4820-00-768-6349 2006-10-294 1 Turkey

Cross Reference | NSN 4820-00-768-6349

Part Number Cage Code Manufacturer
1030-20 94874 DROITCOUR COMPANY
1030-20 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
1030-20-1580 94874 DROITCOUR COMPANY
695862 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
695862-1 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4820-00-768-6349

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL FLOW CONTROL DEVICE STEEL SEAT STEEL STEM
STYLE DESIGNATOR A40 ANGLE W/OFFSET
FLOW CONTROL DEVICE PISTON
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 1760.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 160.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 3.5 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLE G4 GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD CLASS 3B ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 1580.0 POUNDS PER SQUARE INCH
MOUNTING FACILITY THREADED FASTENER
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-768-6349

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 128000 PUMPS PWR NOI/WORKING HEADS/PARTS
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 594 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-768-6349

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each