Product Details | BALL VALVE

4820-01-251-4291 A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes VALVE, CHECK.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 4726K13, 4726K25, 4820-01-251-4291, 01-251-4291, 4820012514291, 012514291

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 MAR 1987 01-251-4291

Drawings & Photos | NSN 4820-01-251-4291


Demand History | NSN 4820-01-251-4291

Part Number Request Date QTY Origin
4726K25 2025-05-141 2 UK
4726K25 2025-05-141 2 UK
4726K25 2023-11-333 1 US
4820-01-251-4291 2019-12-347 2 Chile
4820-01-251-4291 2019-03-66 40 US
4820-01-251-4291 2016-06-158 421 DIBBS
4820-01-251-4291 2016-05-145 421 DIBBS
4820-01-251-4291 2016-03-91 330 DIBBS
4820-01-251-4291 2015-10-277 939 DIBBS
4820-01-251-4291 2015-08-237 251 DIBBS
4820-01-251-4291 2015-07-188 1048 DIBBS
4820-01-251-4291 2014-10-281 102 DIBBS
4820-01-251-4291 2014-09-254 45 DIBBS
4820-01-251-4291 2014-09-253 70 DIBBS
4820-01-251-4291 2014-06-167 63 DIBBS
4820-01-251-4291 2011-08-214 147 DIBBS
4820-01-251-4291 2011-06-157 92 DIBBS
4820-01-251-4291 2010-12-349 81 DIBBS
4820-01-251-4291 2010-12-340 73 DIBBS
4820-01-251-4291 2010-11-328 6 DIBBS
4820-01-251-4291 2010-07-203 109 DIBBS

Cross Reference | NSN 4820-01-251-4291

Part Number Cage Code Manufacturer
4726K13 39428 MCMASTER-CARR SUPPLY COMPANY
4726K25 39428 MCMASTER-CARR SUPPLY COMPANY

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Technical Data | NSN 4820-01-251-4291

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR A1 STRAIGHT THRU
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH 1ST RESPONSE 600.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 1.000 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-251-4291

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 AH Defense Supply Center Columbus
Columbus, OH 43215
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-251-4291

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 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