Product Details | Y VALVE

4820-01-407-0656 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: 8031385623, 803-1385623, 80313856230442, 803-1385623-0442, 4820-01-407-0656, 01-407-0656, 4820014070656, 014070656

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 JAN 1995 01-407-0656

Drawings & Photos | NSN 4820-01-407-0656


Demand History | NSN 4820-01-407-0656

Part Number Request Date QTY Origin
4820-01-407-0656 2024-10-290 9 DIBBS
4820-01-407-0656 2024-05-141 78 DIBBS
4820-01-407-0656 2024-01-04 13 US
4820-01-407-0656 2024-01-03 13 DIBBS
4820-01-407-0656 2023-12-356 52 US
4820-01-407-0656 2023-12-345 52 DIBBS
4820-01-407-0656 2023-11-317 52 DIBBS
4820-01-407-0656 2023-11-305 1 DIBBS
4820-01-407-0656 2023-11-305 2 DIBBS
4820-01-407-0656 2023-10-292 47 DIBBS
4820-01-407-0656 2023-09-250 61 DIBBS
4820-01-407-0656 2023-05-151 15 DIBBS
4820-01-407-0656 2023-04-116 46 DIBBS
4820-01-407-0656 2023-01-04 12 DIBBS
4820-01-407-0656 2022-11-318 6 DIBBS
4820-01-407-0656 2022-09-251 9 DIBBS
4820-01-407-0656 2022-08-227 22 DIBBS
4820-01-407-0656 2022-03-83 18 DIBBS
4820-01-407-0656 2022-01-20 3 DIBBS
4820-01-407-0656 2021-09-251 4 DIBBS
4820-01-407-0656 2020-06-163 21 DIBBS
4820-01-407-0656 2020-04-107 26 DIBBS
4820-01-407-0656 2020-03-70 23 DIBBS
4820-01-407-0656 2019-12-335 12 DIBBS
4820-01-407-0656 2019-08-241 11 DIBBS
4820-01-407-0656 2019-06-178 8 DIBBS
8031385623 2019-05-133 1 US
4820-01-407-0656 2018-12-336 10 DIBBS
4820-01-407-0656 2018-11-305 6 DIBBS
4820-01-407-0656 2018-02-35 11 DIBBS
4820-01-407-0656 2015-01-14 1 MANUAL
4820-01-407-0656 2014-05-146 7 DIBBS
4820-01-407-0656 2013-02-53 63 DIBBS
4820-01-407-0656 2012-03-79 15 DIBBS
4820-01-407-0656 2012-03-79 22 DIBBS
4820-01-407-0656 2012-03-79 24 DIBBS
4820-01-407-0656 2011-11-314 11 DIBBS
4820-01-407-0656 2011-11-314 16 DIBBS

Cross Reference | NSN 4820-01-407-0656

Part Number Cage Code Manufacturer
803-1385623 80064 NAVAL SHIP SYSTEMS COMMAND
803-1385623-0442 80064 NAVAL SHIP SYSTEMS COMMAND
803-1385623-0442 91643 SERVICE BRASS & ALUMINUM FOUNDRY CO. INC.

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Technical Data | NSN 4820-01-407-0656

Characteristic Specifications
MATERIAL COPPER ALLOY BODY PLASTIC FLOW CONTROL DEVICE NICKEL ALLOY STEM
STYLE DESIGNATOR A1A STRAIGHT THRU FLANGED ENDS
FACE TO FACE DISTANCE 12.500 INCHES
VALVE SIZE 4.000 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 425.0 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 8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.688 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 6.563 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
BONNET TYPE OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD BOLTED
FURNISHED ITEMS AND QUANTITY 1 HANDWHEEL

Restrictions/Controls & Freight Information | NSN 4820-01-407-0656

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 4820-01-407-0656

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each