Product Details | POPPET DRAIN COCK

4820-00-521-5994 An item designed to drain fluids from fuel systems, tanks, filters, or similar items. It has a mounting end, a free flowing end, and a quick-acting nonmetallic sealed closure, usually spring loaded, that holds it in an "off" position. It requires no lubrication other than from the fluid being drained.

Part Alternates: 238624, 238625, 4820-00-521-5994, 00-521-5994, 4820005215994, 005215994

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-521-5994

Drawings & Photos | NSN 4820-00-521-5994


Demand History | NSN 4820-00-521-5994

Part Number Request Date QTY Origin
238624 2024-08-235 10 DIBBS
238624 2019-05-136 20 DIBBS
4820-00-521-5994 2016-06-158 17 DIBBS
238624 2016-01-28 2 US
4820-00-521-5994 2015-12-344 3 DIBBS
4820-00-521-5994 2014-11-327 10 DIBBS
4820-00-521-5994 2014-06-176 21 DIBBS
4820-00-521-5994 2014-04-92 12 DIBBS
4820-00-521-5994 2013-08-227 12 DIBBS
4820-00-521-5994 2013-07-190 4 DIBBS
4820-00-521-5994 2013-05-132 13 DIBBS
4820-00-521-5994 2012-10-278 8 DIBBS
4820-00-521-5994 2012-09-255 8 DIBBS
4820-00-521-5994 2011-09-262 4 DIBBS
4820-00-521-5994 2011-09-262 5 DIBBS
4820-00-521-5994 2011-09-262 11 DIBBS
4820-00-521-5994 2011-08-222 11 DIBBS
4820-00-521-5994 2011-08-220 4 DIBBS
4820-00-521-5994 2011-06-153 5 DIBBS
4820-00-521-5994 2011-03-70 2 DIBBS
4820-00-521-5994 2010-12-351 7 DIBBS
4820-00-521-5994 2010-12-340 11 DIBBS
4820-00-521-5994 2010-11-306 6 DIBBS
4820-00-521-5994 2010-10-277 4 DIBBS
4820-00-521-5994 2009-05-139 4 DIBBS
4820-00-521-5994 2009-04-120 4 DIBBS

Cross Reference | NSN 4820-00-521-5994

Part Number Cage Code Manufacturer
238624 99221 TAVCO INC.
238625 99221 TAVCO INC.

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Technical Data | NSN 4820-00-521-5994

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH 1ST RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE B50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.562 INCHES 1ST END
THREAD QUANTITY PER INCH 18 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MANUFACTURERS CODE 99221
DESIGN CONTROL REFERENCE 238624

Restrictions/Controls & Freight Information | NSN 4820-00-521-5994

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 XX
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 4820-00-521-5994

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