Product Details | VACUUM BREAKING VALVE

4820-01-269-8753 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: 288A 1-1/4IN, 288A-1-1/4IN, 288A114IN, 4820-01-269-8753, 01-269-8753, 4820012698753, 012698753

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 DEC 1987 01-269-8753

Drawings & Photos | NSN 4820-01-269-8753


Demand History | NSN 4820-01-269-8753

Part Number Request Date QTY Origin
288A 1-1/4IN 2025-03-72 36 DIBBS
288A-1-1/4IN 2025-03-72 36 DIBBS
4820-01-269-8753 2015-01-05 69 DIBBS
4820-01-269-8753 2014-12-359 69 DIBBS
4820-01-269-8753 2013-01-31 40 DIBBS
4820-01-269-8753 2011-09-262 19 DIBBS
4820-01-269-8753 2009-07-211 29 DIBBS

Cross Reference | NSN 4820-01-269-8753

Part Number Cage Code Manufacturer
288A 1-1/4IN 79227 WATTS REGULATOR CO
288A-1-1/4IN 09051 GAYLORD INDUSTRIES INC.

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Technical Data | NSN 4820-01-269-8753

Characteristic Specifications
BODY STYLE B2 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL BRASS
FLOW CONTROL DEVICE DISK, BOTTOM GUIDED
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR G11 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.250 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED WATER, FRESH
TEMP RATING 212.000 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 4820-01-269-8753

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 4820-01-269-8753

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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