Product Details | SYSTEM PRESSURE REGULATING VALVE

4820-01-346-8766 A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes VALVE, REGULATING, FLUID PRESSURE and VALVE, CALIBRATED FLOW.

Part Alternates: 231960207000, 231-960-207-000, 6511593, 4820-01-346-8766, 01-346-8766, 4820013468766, 013468766

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 OCT 1991 01-346-8766

Drawings & Photos | NSN 4820-01-346-8766


Demand History | NSN 4820-01-346-8766

Part Number Request Date QTY Origin
4820-01-346-8766 2010-05-138 1 DIBBS
4820-01-346-8766 2009-03-73 1 DIBBS

Cross Reference | NSN 4820-01-346-8766

Part Number Cage Code Manufacturer
231-960-207-000 01170 BELLOFRAM CORPORATION DBA MARSH-BELLOFRAM
231-960-207-000 61020 BELLOFRAM CORP DIAPHRAGM DIV
6511593 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-346-8766

Characteristic Specifications
BODY MATERIAL ALUMINUM
SEAT MATERIAL ALUMINUM
STEM MATERIAL ALUMINUM
PACKING MATERIAL RUBBER, BUNA-N
FLOW CONTROL DEVICE DISK
FLOW CONTROL DEVICE MATERIAL ALUMINUM
END CONNECTION QUANTITY 4
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR B11 PLAIN
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR 1/8-27 NPT
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
THIRD END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH FIRST END
FOURTH END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH FIRST END
BODY STYLE A3 CROSS
MEDIA FOR WHICH DESIGNED AIR
REGULATION TYPE AUTOMATIC SINGLE STAGE
VALVE LOADING METHOD SPRING
REMOTE ACTUATION METHOD DIAPHRAGM
TEMP RATING 150.0 DEG FAHRENHEIT NOMINAL
MAXIMUM INLET PRESSURE RATING 250.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE RANGE 1.0 TO 30.0 POUNDS PER SQUARE INCH
OUTLET PRESSURE ACCURACY RATING NOT RATED
FILTER NOT INCLUDED
SPECIAL FEATURES TYPE 90 REGULATOR

Restrictions/Controls & Freight Information | NSN 4820-01-346-8766

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 127200 PRESSURE REDCNG WATER RELIEF VALVE
Less than car load rating
Less than truck load rating M 85.0
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 4820-01-346-8766

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 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