Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-469-7451 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: S145T85SBU, S1-45T85SBU, 1767D, 1767-D, 1767-D 45T85DEG F, 1767D45T85DEGF, 4820-01-469-7451, 01-469-7451, 4820014697451, 014697451

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 NOV 1999 01-469-7451

Drawings & Photos | NSN 4820-01-469-7451


Cross Reference | NSN 4820-01-469-7451

Part Number Cage Code Manufacturer
1767-D 75545 LAWLER MANUFACTURING CO. INC.
1767-D 45T85DEG F 75545 LAWLER MANUFACTURING CO. INC.
S1-45T85SBU 75545 LAWLER MANUFACTURING CO. INC.

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Technical Data | NSN 4820-01-469-7451

Characteristic Specifications
BODY STYLE A1 STRAIGHT THRU
BODY MATERIAL BRONZE, ASTM B61
FLOW CONTROL DEVICE STEM AND INTEGRAL DISK
FLOW CONTROL DEVICE MATERIAL STEEL, CORROSION RESISTING
STEM MATERIAL STEEL, CORROSION RESISTING
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR G5 SWIVEL NUT, GASKET SEAL
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.000 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
SECOND END STYLE DESIGNATOR G5 SWIVEL NUT, GASKET SEAL
SECOND END NOMINAL PIPE SIZE ACCOMMODATED 1.000 INCHES
TEMP ADJUSTABILITY ADJUSTABLE
TEMP RATING 300.0 DEG FAHRENHEIT
VALVE DISCHARGE FLOW RATE NOT RATED
TEMP CONTROL DEVICE TYPE THERMOSTATIC
SPECIAL FEATURES NHA VALVE TEMP RELEASE
SPECIFICATION/STANDARD DATA MIL-V-19772 GOVERNMENT SPECIFICATION
III END ITEM IDENTIFICATION W/S NIMITZ CLASS CVN

Restrictions/Controls & Freight Information | NSN 4820-01-469-7451

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 4820-01-469-7451

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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