Product Details | PRESSURE RELIEF SAFETY HEAD

4820-01-305-3296 An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes VALVE, SAFETY RELIEF and PLUG, FUSIBLE. For items furnished with a disk, see HEAD AND DISK, SAFETY, PRESSURE RELIER.

Part Alternates: 1/2-100SM, 12100SM, 6263937 FIND 6, 6263937FIND6, 6263950, 4820-01-305-3296, 01-305-3296, 4820013053296, 013053296

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 AUG 1989 01-305-3296

Cross Reference | NSN 4820-01-305-3296

Part Number Cage Code Manufacturer
1/2-100SM 06370 FIKE CORPORATION
1/2-100SM 5U326 LARCEN EQUIPMENT CORP SUB OF LARCEN D W CO
6263937 FIND 6 53711 NAVAL SEA SYSTEMS COMMAND
6263950 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-305-3296

Characteristic Specifications
HEAD MATERIAL STEEL CORROSION RESISTING
HEAD TYPE SCREW
HEAD SIZE 0.500 INCHES
END CONNECTION TYPE THREADED
BURST PRESSURE 10000.0 PRESSURE POUNDS PER SQUARE INCH GAGE
BURST TEMPERATURE 100.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 4820-01-305-3296

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 4820-01-305-3296

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each