Product Details | PRESSURE RELIEF SAFETY HEAD

4820-00-722-6523 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: 2396220, 23962361, 2396236-1, 58A164B118, 58A164B1183, 58A164B118-3, 58A164B18, 4820-00-722-6523, 00-722-6523, 4820007226523, 007226523

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-722-6523

Cross Reference | NSN 4820-00-722-6523

Part Number Cage Code Manufacturer
2396220 99221 TAVCO INC.
2396236-1 99221 TAVCO INC.
58A164B118 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
58A164B118 30003 NAVAL AIR SYSTEMS COMMAND
58A164B118-3 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
58A164B18 30003 NAVAL AIR SYSTEMS COMMAND

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Technical Data | NSN 4820-00-722-6523

Characteristic Specifications
HEAD SIZE 0.812 INCHES
SPECIAL FEATURES STAINLESS STEEL PLUG; COPPER ALLOY RUPTURABLE DISK; 0.812 IN. HEX HEAD; 0.562-18 UNF 2A THD SIZE, 0.313 IN. THD LG; 0.900 IN. O/A LG; PRESSURE SET 5000.0 PSI

Restrictions/Controls & Freight Information | NSN 4820-00-722-6523

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 P 77.5
Less than truck load rating P 77.5
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 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 4820-00-722-6523

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each