Product Details | VACUUM BREAKING VALVE

4820-01-220-6636 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: M1287, 5548715, 4820-01-220-6636, 01-220-6636, 4820012206636, 012206636

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 NOV 1985 01-220-6636

Demand History | NSN 4820-01-220-6636

Part Number Request Date QTY Origin
4820-01-220-6636 2017-12-338 1 United States
4820-01-220-6636 2015-06-173 8 DIBBS
4820-01-220-6636 2013-11-322 2 DIBBS
4820-01-220-6636 2013-10-304 2 DIBBS
4820-01-220-6636 2013-03-67 3 DIBBS

Cross Reference | NSN 4820-01-220-6636

Part Number Cage Code Manufacturer
5548715 53711 NAVAL SEA SYSTEMS COMMAND
M1287 26269 U. S. DYNAMICS CORPORATION

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Technical Data | NSN 4820-01-220-6636

Characteristic Specifications
BODY MATERIAL ALUMINUM
TEMP ADJUSTABILITY NOT ADJUSTABLE
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
END CONNECTION QUANTITY 1
MEDIA FOR WHICH DESIGNED WATER, SALT

Restrictions/Controls & Freight Information | NSN 4820-01-220-6636

Category Code Description
Shelf-Life Code:W120 months
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 4820-01-220-6636

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 CodeW120 months
Purchasing QTY
UOM
1
EA : Each