Product Details | Y VALVE

4820-01-400-3191 A valve with one inlet and one outlet connection that provides unobstructed fluid flow. The flow is controlled by the action of a stem which lifts disk perpendicularly off center axis of its seat. The stem is at angle of less than 90 degrees (1.5708 radians) to parallel inlet and outlet flow. It may utilize a diaphragm as packing. Excludes VALVE, STOP-CHECK.

Part Alternates: 1385623-NN-2 4IN, 1385623NN24IN, 8031385623, 803-1385623, 80313856230441AF, 803-1385623-0441AF, 4820-01-400-3191, 01-400-3191, 4820014003191, 014003191

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 DEC 1994 01-400-3191

Drawings & Photos | NSN 4820-01-400-3191


Demand History | NSN 4820-01-400-3191

Part Number Request Date QTY Origin
4820-01-400-3191 2024-05-123 2 DIBBS
4820-01-400-3191 2023-05-149 1 DIBBS
4820-01-400-3191 2023-05-131 3 DIBBS
4820-01-400-3191 2023-04-103 1 DIBBS
4820-01-400-3191 2023-01-12 3 DIBBS
4820-01-400-3191 2022-02-46 1 DIBBS
4820-01-400-3191 2021-06-172 1 DIBBS
4820-01-400-3191 2020-04-114 1 DIBBS
4820-01-400-3191 2020-01-30 2 DIBBS
8031385623 2019-05-133 1 US
4820-01-400-3191 2018-04-108 3 DIBBS
4820-01-400-3191 2017-11-318 1 DIBBS
4820-01-400-3191 2015-01-08 2 DIBBS

Cross Reference | NSN 4820-01-400-3191

Part Number Cage Code Manufacturer
1385623-NN-2 4IN 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
1385623-NN-2 4IN 91643 SERVICE BRASS & ALUMINUM FOUNDRY CO. INC.
803-1385623 80064 NAVAL SHIP SYSTEMS COMMAND
803-1385623-0441AF 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-400-3191

Characteristic Specifications
MATERIAL COPPER ALLOY 922 BODY PLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE NICKEL ALLOY STEM
STYLE DESIGNATOR A8A STRAIGHT THRU Y-PATTERN FLANGED ENDS
FACE TO FACE DISTANCE 12.500 INCHES
VALVE SIZE 4.000 INCHES
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 160.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 7.688 INCHES ALL ENDS
NOMINAL THICKNESS 1.000 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.688 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 6.562 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED

Restrictions/Controls & Freight Information | NSN 4820-01-400-3191

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 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 4820-01-400-3191

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