Product Details | SAFETY RELIEF VALVE

4820-01-451-3758 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: 532T14D2, 532-T1-4D-2, 7005617, 70056171, 7005617-1, 4820-01-451-3758, 01-451-3758, 4820014513758, 014513758

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 15 DEC 1997 01-451-3758

Drawings & Photos | NSN 4820-01-451-3758


Demand History | NSN 4820-01-451-3758

Part Number Request Date QTY Origin
4820-01-451-3758 2015-09-270 16 DIBBS
4820-01-451-3758 2014-10-287 17 DIBBS
4820-01-451-3758 2014-10-275 17 DIBBS
4820-01-451-3758 2014-09-246 17 DIBBS
4820-01-451-3758 2013-02-38 21 DIBBS

Cross Reference | NSN 4820-01-451-3758

Part Number Cage Code Manufacturer
532-T1-4D-2 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
7005617 53711 NAVAL SEA SYSTEMS COMMAND
7005617-1 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-451-3758

Characteristic Specifications
MATERIAL STEEL COMP 316 BODY
STYLE DESIGNATOR C4 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON 1ST RESPONSE OIL, LUBRICATING, DIESTER BASE 2ND RESPONSE HYDRAULIC FLUID, SILICATE-ESTER BASE 3RD RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE G46A PLAIN 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.438 INCHES 1ST END
THREAD CLASS 2A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 2.0 POUNDS PER SQUARE INCH
MINIMUM OPERATING TEMP -20.0 DEG FAHRENHEIT
SPECIAL FEATURES ALTERED ITEM; P/N 7005617-1 IS ALTERED FROM P/N 532-T1-4D-2
III END ITEM IDENTIFICATION SEAL DELIVERY VEHICLE

Restrictions/Controls & Freight Information | NSN 4820-01-451-3758

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:AItem does not contain precious metal
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-451-3758

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