Product Details | DRAIN COCK

4820-01-208-1890 An item with one mounting end and one free flowing end with a metal to metal valve closure. It is designed to drain fluids from radiators, boilers, and similar items.

Part Alternates: 4971BG503, 4971B-G503, 4971G503, 4971-G503, 4820-01-208-1890, 01-208-1890, 4820012081890, 012081890

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 MAY 1985 01-208-1890

Drawings & Photos | NSN 4820-01-208-1890


Demand History | NSN 4820-01-208-1890

Part Number Request Date QTY Origin
4971B-G503 2025-10-287 20 DIBBS
4971-G503 2025-10-287 20 DIBBS
4971B-G503 2025-02-37 16 DIBBS
4971-G503 2025-02-37 16 DIBBS
4971B-G503 2023-11-323 16 DIBBS
4971-G503 2023-11-323 16 DIBBS
4971B-G503 2023-05-138 13 DIBBS
4971-G503 2023-05-138 13 DIBBS
4971B-G503 2022-11-334 32 DIBBS
4971-G503 2022-11-334 32 DIBBS
4971B-G503 2022-08-223 15 DIBBS
4971-G503 2022-08-223 15 DIBBS
4971B-G503 2022-02-54 7 DIBBS
4971-G503 2022-02-54 7 DIBBS
4971B-G503 2022-02-53 7 DIBBS
4971-G503 2022-02-53 7 DIBBS
4971B-G503 2021-12-350 37 DIBBS
4971-G503 2021-12-350 37 DIBBS
4971B-G503 2021-11-313 35 DIBBS
4971-G503 2021-11-313 35 DIBBS
4971B-G503 2021-10-298 35 DIBBS
4971-G503 2021-10-298 35 DIBBS
4971B-G503 2020-10-292 14 DIBBS
4971-G503 2020-10-292 14 DIBBS
4971B-G503 2020-10-282 35 DIBBS
4971-G503 2020-10-282 35 DIBBS
4820-01-208-1890 2020-10-280 14 US
4971B-G503 2020-10-275 14 DIBBS
4971-G503 2020-10-275 14 DIBBS
4971B-G503 2020-06-177 22 DIBBS
4971-G503 2020-06-177 22 DIBBS
4971B-G503 2019-06-178 21 DIBBS
4971-G503 2019-06-178 21 DIBBS
4820-01-208-1890 2018-06-162 42 DIBBS
4820-01-208-1890 2018-05-151 42 DIBBS
4820-01-208-1890 2017-11-306 28 DIBBS
4820-01-208-1890 2015-06-172 35 DIBBS
4820-01-208-1890 2015-04-91 31 DIBBS
4820-01-208-1890 2014-10-303 40 DIBBS
4820-01-208-1890 2013-10-290 15 DIBBS
4820-01-208-1890 2013-10-275 15 DIBBS
4820-01-208-1890 2013-02-59 13 DIBBS
4820-01-208-1890 2013-01-31 16 DIBBS
4820-01-208-1890 2012-10-278 15 DIBBS
4820-01-208-1890 2012-08-233 15 DIBBS
4820-01-208-1890 2012-07-206 11 DIBBS
4820-01-208-1890 2012-05-151 17 DIBBS
4820-01-208-1890 2012-04-96 10 DIBBS
4820-01-208-1890 2012-01-19 7 DIBBS
4820-01-208-1890 2011-12-349 12 DIBBS
4820-01-208-1890 2011-11-306 17 DIBBS
4820-01-208-1890 2011-10-300 3 DIBBS
4820-01-208-1890 2010-04-117 4 United States
4820-01-208-1890 2009-04-119 10 DIBBS
4820-01-208-1890 2009-02-37 13 DIBBS
4820-01-208-1890 2008-12-352 8 DIBBS
4820-01-208-1890 2008-12-338 15 DIBBS
4820-01-208-1890 2008-11-317 8 DIBBS

Cross Reference | NSN 4820-01-208-1890

Part Number Cage Code Manufacturer
4971-G503 22501 HOWELL LABORATORIES, INC.
4971B-G503 22501 HOWELL LABORATORIES, INC.

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Technical Data | NSN 4820-01-208-1890

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE B49A GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR UN 1ST END
NOMINAL THREAD SIZE 0.688 INCHES 1ST END
THREAD QUANTITY PER INCH 16 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
FURNISHED ITEMS AND QUANTITY 1 GASKET AND 1 NUT AND 1 TAILPIECE

Restrictions/Controls & Freight Information | NSN 4820-01-208-1890

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 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 4820-01-208-1890

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