Product Details | SHUTTLE VALVE

4820-01-328-6276 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: 23036214, 420T6TTB, 4820-01-328-6276, 01-328-6276, 4820013286276, 013286276

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 NOV 1990 01-328-6276

Drawings & Photos | NSN 4820-01-328-6276


Demand History | NSN 4820-01-328-6276

Part Number Request Date QTY Origin
420T6TTB 2025-01-17 5 DIBBS
420T6TTB 2024-11-319 3 DIBBS
420T6TTB 2024-05-123 2 DIBBS
420T6TTB 2024-03-64 5 DIBBS
420T6TTB 2024-02-52 5 DIBBS
420T6TTB 2023-02-40 3 DIBBS
420T6TTB 2021-11-319 1 DIBBS
420T6TTB 2021-10-304 1 DIBBS
4820-01-328-6276 2017-04-113 6 DIBBS
4820-01-328-6276 2017-04-100 6 DIBBS
4820-01-328-6276 2017-04-100 6 DIBBS
4820-01-328-6276 2017-03-72 6 DIBBS
4820-01-328-6276 2017-03-61 6 DIBBS
4820-01-328-6276 2017-01-27 6 DIBBS
4820-01-328-6276 2017-01-16 6 DIBBS
4820-01-328-6276 2014-04-112 1 DIBBS
4820-01-328-6276 2014-04-93 1 DIBBS

Cross Reference | NSN 4820-01-328-6276

Part Number Cage Code Manufacturer
23036214 63005 ROLLS-ROYCE CORPORATION
420T6TTB 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-328-6276

Characteristic Specifications
MATERIAL STEEL COMP 303 BODY
STYLE DESIGNATOR A1 STRAIGHT THRU
FLOW CONTROL DEVICE PISTON
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE G42 FLARED 1ST END G4 GASKET SEAL 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END
THREAD SERIES DESIGNATOR UNJF 1ST END UNJF 2ND END
NOMINAL THREAD SIZE 0.562 INCHES 1ST END 0.562 INCHES 2ND END
THREAD CLASS 3A 1ST END 3B 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END

Restrictions/Controls & Freight Information | NSN 4820-01-328-6276

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 4820-01-328-6276

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