Product Details | CHECK VALVE

4820-01-085-3347 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: 27850, 4820-01-085-3347, 01-085-3347, 4820010853347, 010853347

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 NOV 1979 01-085-3347

Drawings & Photos | NSN 4820-01-085-3347


Demand History | NSN 4820-01-085-3347

Part Number Request Date QTY Origin
27850 2025-10-296 15 DIBBS
27850 2022-01-09 12 DIBBS
27850 2020-02-51 52 DIBBS
4820-01-085-3347 2019-09-270 4 United States
4820-01-085-3347 2019-04-102 4 United States
4820-01-085-3347 2019-02-51 4 United States
4820-01-085-3347 2019-02-37 4 United States
4820-01-085-3347 2018-10-297 1 GU
4820-01-085-3347 2018-09-256 4 United States
4820-01-085-3347 2018-03-63 20 DIBBS
4820-01-085-3347 2017-09-257 17 DIBBS
4820-01-085-3347 2017-07-204 21 DIBBS
4820-01-085-3347 2016-09-251 34 DIBBS
4820-01-085-3347 2016-05-131 3 United States
4820-01-085-3347 2016-01-24 22 DIBBS
4820-01-085-3347 2015-05-133 23 DIBBS
4820-01-085-3347 2012-01-13 10 DIBBS
4820-01-085-3347 2011-10-281 0 DIBBS
4820-01-085-3347 2011-09-273 13 DIBBS
4820-01-085-3347 2011-08-214 21 DIBBS

Cross Reference | NSN 4820-01-085-3347

Part Number Cage Code Manufacturer
27850 03670 TYCO FIRE PRODUCTS, LP DBA TYCO FIRE SUPPRESSION & BUILDING
27850 62420 GRINNELL CORP GRINNELL FIRE PROTECTION SYSTMES DIV

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Technical Data | NSN 4820-01-085-3347

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE BALL
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 200.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS 1ST END UNTHREADED INTERNAL TUBE 2ND END
CONNECTION STYLE B4 GASKET SEAL 1ST END B20B SOCKET 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.500 INCHES 2ND END
THREAD SERIES DESIGNATOR UN 1ST END
NOMINAL THREAD SIZE 1.875 INCHES 1ST END
THREAD QUANTITY PER INCH 12 1ST END
THREAD CLASS 2B 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION VERTICAL

Restrictions/Controls & Freight Information | NSN 4820-01-085-3347

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:UPrecious metal type is unknown
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 4820-01-085-3347

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Physical Category Code1Bin
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
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 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