Product Details | SHUTTLE VALVE

4820-01-142-4255 A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.

Part Alternates: 10124638 , 1B48125, 1B481251, 1B48125-1, 50772, 5077-2, 4820-01-142-4255, 01-142-4255, 4820011424255, 011424255

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16 NOV 1982 01-142-4255

Drawings & Photos | NSN 4820-01-142-4255


Demand History | NSN 4820-01-142-4255

Part Number Request Date QTY Origin
1B48125-1 2024-10-296 4 DIBBS
5077-2 2024-10-296 4 DIBBS
1B48125-1 2024-05-133 5 DIBBS
5077-2 2024-05-133 5 DIBBS
1B48125-1 2023-11-324 7 DIBBS
5077-2 2023-11-324 7 DIBBS
1B48125-1 2021-11-321 6 DIBBS
5077-2 2021-11-321 6 DIBBS
1B48125-1 2019-02-36 4 DIBBS
5077-2 2019-02-36 4 DIBBS
1B48125-1 2019-01-25 38 DIBBS
5077-2 2019-01-25 38 DIBBS
1B48125-1 2019-01-22 12 DIBBS
5077-2 2019-01-22 12 DIBBS
1B48125-1 2019-01-07 26 DIBBS
5077-2 2019-01-07 26 DIBBS
4820-01-142-4255 2018-09-266 16 DIBBS
4820-01-142-4255 2016-11-319 1 DIBBS
1B481251 2015-10-280 1 United States
4820-01-142-4255 2009-05-146 3 DIBBS

Cross Reference | NSN 4820-01-142-4255

Part Number Cage Code Manufacturer
1B48125 18355 BOEING COMPANY, THE DBA BOEING
1B48125-1 18355 BOEING COMPANY, THE DBA BOEING
5077-2 06177 PNEUDRAULICS, INC.

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Technical Data | NSN 4820-01-142-4255

Characteristic Specifications
STYLE DESIGNATOR A1A STRAIGHT THRU FLANGED ENDS
FLOW CONTROL DEVICE PISTON
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 1.2 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION F/A-18 HORNET AIRCRAFT

Restrictions/Controls & Freight Information | NSN 4820-01-142-4255

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 671 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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 4820-01-142-4255

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDGF (Non-HSP) FIGHTER SUPPORTAIRCRAFT(F/A-18)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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