Product Details | VACUUM BREAKING VALVE

4820-01-643-9841 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: 0792041 , 1 1/4 LF288AM2 , 114LF288AM2, 4820-01-643-9841, 01-643-9841, 4820016439841, 016439841

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2015107 01-643-9841

Demand History | NSN 4820-01-643-9841

Part Number Request Date QTY Origin
0792041 2023-04-110 7 DIBBS
1 1/4 LF288AM2 2023-04-110 7 DIBBS
0792041 2022-11-325 4 DIBBS
1 1/4 LF288AM2 2022-11-325 4 DIBBS
0792041 2022-06-179 11 DIBBS
1 1/4 LF288AM2 2022-06-179 11 DIBBS
0792041 2022-04-100 9 DIBBS
1 1/4 LF288AM2 2022-04-100 9 DIBBS
0792041 2022-03-90 1 DIBBS
1 1/4 LF288AM2 2022-03-90 1 DIBBS
0792041 2022-02-58 9 DIBBS
1 1/4 LF288AM2 2022-02-58 9 DIBBS
0792041 2021-07-207 5 DIBBS
1 1/4 LF288AM2 2021-07-207 5 DIBBS
0792041 2021-07-195 5 DIBBS
1 1/4 LF288AM2 2021-07-195 5 DIBBS

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Technical Data | NSN 4820-01-643-9841

Characteristic Specifications
BODY STYLE ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
BODY MATERIAL BRASS
FLOW CONTROL DEVICE DISK, TOP GUIDED
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.250 INCHES
MEDIA FOR WHICH DESIGNED WATER, FRESH
TEMP RATING 180.0 DEG FAHRENHEIT
SPECIAL FEATURES MAX WORKING PRESSURE: 125 PSI
III END ITEM IDENTIFICATION VALVE, PRESSURE
III PART NAME ASSIGNED BY CONTROLLING AGENCY HOT OR COLD WATER ANTI-SIPHON VACUUM BREAKER

Restrictions/Controls & Freight Information | NSN 4820-01-643-9841

Category Code Description
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.
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
No Freight Information

Management | NSN 4820-01-643-9841

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