Product Details | SYSTEM PRESSURE REGULATING VALVE

4820-01-538-6671 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: EHOMDF-400-3W/EHOMF-400-3W-TA-NA, EHOMDF4003WEHOMF4003WTANA, EHOMDF4003WTANA, EHOMDF-400-3W-TA-NA, 4820-01-538-6671, 01-538-6671, 4820015386671, 015386671

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 29 MAR 2006 01-538-6671

Drawings & Photos | NSN 4820-01-538-6671


Demand History | NSN 4820-01-538-6671

Part Number Request Date QTY Origin
4820-01-538-6671 2018-03-86 1 DIBBS

Cross Reference | NSN 4820-01-538-6671

Part Number Cage Code Manufacturer
EHOMDF-400-3W-TA-NA 21013 METREX VALVE CORP.
EHOMDF-400-3W/EHOMF-400-3W-TA-NA 21013 METREX VALVE CORP.

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Technical Data | NSN 4820-01-538-6671

Characteristic Specifications
BODY MATERIAL BRONZE
SEAT MATERIAL PLASTIC
STEM MATERIAL PLASTIC
VALVE SIZE 4.000 INCHES
FLOW CONTROL DEVICE STEM AND INTEGRAL DISK
FLOW CONTROL DEVICE MATERIAL BRONZE
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE UNTHREADED EXTERNAL TUBE
BODY STYLE A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED WATER, SALT
SPECIAL FEATURES 4 INCH 3-WAY DIVERTING SEAWATER REGULATING VALVE, WITH ELECT. TRIC. ACTUATOR
III END ITEM IDENTIFICATION VALVE, REGULATING

Restrictions/Controls & Freight Information | NSN 4820-01-538-6671

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 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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-538-6671

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