Product Details | SAFETY RELIEF VALVE

4820-01-044-3313 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: 41003002, H807, 4820-01-044-3313, 01-044-3313, 4820010443313, 010443313

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 JUL 1977 01-044-3313

Drawings & Photos | NSN 4820-01-044-3313


Demand History | NSN 4820-01-044-3313

Part Number Request Date QTY Origin
41003002 2024-11-308 2 DIBBS
H807 2024-11-308 2 DIBBS
41003002 2023-08-243 7 DIBBS
H807 2023-08-243 7 DIBBS
41003002 2022-11-311 7 DIBBS
H807 2022-11-311 7 DIBBS
41003002 2022-10-296 7 DIBBS
H807 2022-10-296 7 DIBBS
41003002 2021-06-152 9 DIBBS
H807 2021-06-152 9 DIBBS
4820-01-044-3313 2014-05-133 6 DIBBS
4820-01-044-3313 2013-12-349 13 DIBBS
4820-01-044-3313 2012-08-244 16 DIBBS
4820-01-044-3313 2012-04-118 2 DIBBS
4820-01-044-3313 2011-01-25 1 US
4820-01-044-3313 2010-06-165 2 DIBBS
4820-01-044-3313 2010-04-96 2 DIBBS

Cross Reference | NSN 4820-01-044-3313

Part Number Cage Code Manufacturer
41003002 81873 WOODWARD HRT, INC.
H807 06239 AUSCO,INC.

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Technical Data | NSN 4820-01-044-3313

Characteristic Specifications
STYLE DESIGNATOR C10 SCREW-IN CARTRIDGE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 7.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED CARTRIDGE ALL ENDS
CONNECTION STYLE G46D PLAIN ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 450.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION AIRCRAFT MODEL NO. H-1
MANUFACTURERS CODE 06239
DESIGN CONTROL REFERENCE H807

Restrictions/Controls & Freight Information | NSN 4820-01-044-3313

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-044-3313

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each