Product Details | VACUUM BREAKING VALVE

4820-01-226-6021 An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also VALVE, VACUUM REGULATING.

Part Alternates: 8279-02-533, NF8, 4820-01-226-6021, 01-226-6021, 4820012266021, 827902533, 012266021

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 FEB 1986 01-226-6021

Demand History | NSN 4820-01-226-6021

Part Number Request Date QTY Origin
4820-01-226-6021 2015-08-225 267 DIBBS
4820-01-226-6021 2015-05-125 173 DIBBS
4820-01-226-6021 2012-07-200 118 DIBBS
4820-01-226-6021 2010-12-335 77 DIBBS
4820-01-226-6021 2009-06-174 56 DIBBS

Cross Reference | NSN 4820-01-226-6021

Part Number Cage Code Manufacturer
8279-02-533 79227 WATTS REGULATOR CO
NF8 79227 WATTS REGULATOR CO

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Technical Data | NSN 4820-01-226-6021

Characteristic Specifications
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL BRASS
SEAT MATERIAL RUBBER
FLOW CONTROL DEVICE DISK, CIRCULAR
FLOW CONTROL DEVICE MATERIAL RUBBER
STEM MATERIAL STEEL, CORROSION RESISTING
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL HOSE
FIRST END STYLE DESIGNATOR PLAIN
FIRST END INSIDE DIAMETER HOSE ACCOMMODATED 0.750 INCHES NOMINAL
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE THREADED EXTERNAL HOSE
SECOND END STYLE DESIGNATOR PLAIN
SECOND END OUTSIDE DIAMETER HOSE ACCOMMODATED 0.750 INCHES NOMINAL
SECOND END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED WATER, FRESH
SPECIAL FEATURES PERMITS MANUAL DRAINING FOR FREEZING CONDITIONS

Restrictions/Controls & Freight Information | NSN 4820-01-226-6021

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 4820-01-226-6021

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each