Product Details | CHECK VALVE

4820-00-781-7459 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: MS244234, MS24423-4, MS256754, MS25675-4 , PS248212, PS2-4821-2, 4174SS5, 417-4SS5, 4184, 418-4, 4820-00-781-7459, 00-781-7459, 4820007817459, 007817459

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1960 00-781-7459

Drawings & Photos | NSN 4820-00-781-7459


Demand History | NSN 4820-00-781-7459

Part Number Request Date QTY Origin
MS244234 2025-07-206 100 South Korea
4820-00-781-7459 2025-05-133 50 US
4820-00-781-7459 2025-03-62 111 Singapore
MS244234 2024-01-23 5 US
MS244234 2024-01-23 50 US
4820-00-781-7459 2022-12-354 60 KR
4820-00-781-7459 2022-08-230 96 US
MS244234 2022-06-180 2 US
MS244234 2022-06-180 6 US
MS244234 2022-06-180 11 US
MS244234 2022-06-180 26 US
4820-00-781-7459 2022-05-137 55 Singapore
4820-00-781-7459 2021-10-278 1 United States
MS244234 2021-08-238 246 US
4820-00-781-7459 2021-07-191 4 CL
4820-00-781-7459 2021-07-191 4 CL
4820-00-781-7459 2020-08-227 1 United States
4820-00-781-7459 2017-11-310 341 DIBBS
4820-00-781-7459 2017-09-253 281 DIBBS
4820-00-781-7459 2017-08-220 438 DIBBS
4820-00-781-7459 2017-06-171 883 DIBBS
4820-00-781-7459 2017-04-94 622 DIBBS
4820-00-781-7459 2016-07-192 465 DIBBS
4820-00-781-7459 2016-05-143 364 DIBBS
4820-00-781-7459 2016-04-101 382 DIBBS
4820-00-781-7459 2016-01-28 307 DIBBS
4820-00-781-7459 2016-01-20 748 DIBBS
4820-00-781-7459 2016-01-04 1000 DIBBS
4820-00-781-7459 2015-11-307 505 DIBBS
4820-00-781-7459 2015-08-243 389 DIBBS
4820-00-781-7459 2015-07-188 918 DIBBS
4820-00-781-7459 2015-03-77 134 KR
4820-00-781-7459 2014-11-306 519 DIBBS
4820-00-781-7459 2014-09-265 776 DIBBS
4820-00-781-7459 2014-02-36 1 DIBBS-RFPs
MS244234 2013-03-80 4 US
4820-00-781-7459 2013-03-63 1751 DIBBS
4820-00-781-7459 2013-02-35 500 DIBBS
4820-00-781-7459 2013-02-33 600 DIBBS
4820-00-781-7459 2013-01-14 150 DIBBS
4820-00-781-7459 2012-12-362 150 DIBBS
4820-00-781-7459 2012-12-345 89 DIBBS
4820-00-781-7459 2012-08-240 147 DIBBS
4820-00-781-7459 2012-05-125 67 DIBBS
4820-00-781-7459 2011-11-312 1 US
MS24423-4 2011-11-306 9 US
4820-00-781-7459 2011-10-300 15 US
4820-00-781-7459 2011-10-278 86 DIBBS
4820-00-781-7459 2011-09-257 100 US
4820-00-781-7459 2011-08-235 41 DIBBS
MS244234 2011-07-207 9 us
MS244234 2011-07-207 55 us
MS244234 2011-04-95 8 United States
MS244234 2011-03-90 51 US
4820-00-781-7459 2011-03-80 55 DIBBS
4820-00-781-7459 2010-12-351 83 DIBBS
MS244234 2010-11-313 25 US
4820-00-781-7459 2010-05-140 149 DIBBS
4820-00-781-7459 2010-03-75 116 DIBBS
4820-00-781-7459 2009-12-348 220 DIBBS
MS244234 2009-12-342 3 US
4820-00-781-7459 2009-12-338 67 DIBBS
MS244234 2009-06-175 2 US
4820-00-781-7459 2008-02-35 1 United States

Cross Reference | NSN 4820-00-781-7459

Part Number Cage Code Manufacturer
417-4SS5 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
418-4 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
MS24423-4 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
PS2-4821-2 06887 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
PS2-4821-2 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4820-00-781-7459

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B45 FLARELESS ALL ENDS
SEAT ANGLE 12.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.438 INCHES ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS24423-4

Restrictions/Controls & Freight Information | NSN 4820-00-781-7459

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 XX
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 4820-00-781-7459

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
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.
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 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
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