Product Details | CHECK VALVE

4820-00-421-3874 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: MHB030LEAH06B, MHB-030-LEAH-06B, 25725332, 25725-3-3-2, 2982514, 2982963, 989010, 4820-00-421-3874, 00-421-3874, 4820004213874, 004213874

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 DEC 1970 00-421-3874

Drawings & Photos | NSN 4820-00-421-3874


Demand History | NSN 4820-00-421-3874

Part Number Request Date QTY Origin
4820-00-421-3874 2017-07-198 3 DIBBS
4820-00-421-3874 2017-07-198 3 DIBBS
4820-00-421-3874 2017-07-186 3 DIBBS
4820-00-421-3874 2017-04-116 3 DIBBS
4820-00-421-3874 2017-02-43 1 DIBBS
4820-00-421-3874 2017-01-08 4 DIBBS
4820-00-421-3874 2016-02-55 7 DIBBS
4820-00-421-3874 2015-10-303 3 DIBBS
4820-00-421-3874 2015-10-291 3 DIBBS
MHB030LEAH06B 2009-03-69 2 US
4820-00-421-3874 2008-12-340 7 DIBBS
4820-00-421-3874 2008-12-340 7 DIBBS

Cross Reference | NSN 4820-00-421-3874

Part Number Cage Code Manufacturer
25725-3-3-2 10129 PARKER-HANNIFIN CORPORATION DBA PARKER HYDRAULICS
2982514 10129 PARKER-HANNIFIN CORPORATION DBA PARKER HYDRAULICS
2982963 10129 PARKER-HANNIFIN CORPORATION DBA PARKER HYDRAULICS
989010 77521 BOSCH AUTOMATION TECHNOLOGY
MHB-030-LEAH-06B 10129 PARKER-HANNIFIN CORPORATION DBA PARKER HYDRAULICS
MHB-030-LEAH-06B 82271 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC CARTRIDGE SYSTEMS DIV

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Technical Data | NSN 4820-00-421-3874

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL FLOW CONTROL DEVICE STEEL STEM
SURFACE TREATMENT ANODIZE
OFFSET DISTANCE 1.125 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.375 INCHES 1ST END 0.375 INCHES 2ND END 0.250 INCHES 3RD END
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES MANUAL RELEASE

Restrictions/Controls & Freight Information | NSN 4820-00-421-3874

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 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 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 4820-00-421-3874

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