Product Details | CHECK VALVE

4820-01-399-1833 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: 1912B1, 1912B-1, 4820-01-399-1833, 01-399-1833, 4820013991833, 013991833

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 NOV 1994 01-399-1833

Drawings & Photos | NSN 4820-01-399-1833


Demand History | NSN 4820-01-399-1833

Part Number Request Date QTY Origin
1912B-1 2023-08-236 12 DIBBS
1912B-1 2023-08-220 1 DIBBS
1912B-1 2023-08-213 1 DIBBS
1912B-1 2023-05-151 1 DIBBS
1912B-1 2022-11-310 1 DIBBS
1912B-1 2022-10-303 1 DIBBS

Cross Reference | NSN 4820-01-399-1833

Part Number Cage Code Manufacturer
1912B-1 96948 KEPNER PRODUCTS COMPANY

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Technical Data | NSN 4820-01-399-1833

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR A2 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 300.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL TUBE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES ALL ENDS
THREAD SERIES DESIGNATOR UN ALL ENDS
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
THREAD QUANTITY PER INCH 16 ALL ENDS
THREAD CLASS 2B ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL
OPENING PRESSURE SETTING 1.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES 4.125 IN. O/A LG

Restrictions/Controls & Freight Information | NSN 4820-01-399-1833

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 594 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 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 4820-01-399-1833

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each