Product Details | CHECK VALVE

4820-00-903-3755 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: MS244236, MS24423-6, M256756, M25675-6, MILPRF25675, MIL-PRF-25675, MILV25675, MIL-V-25675, J417A6SS5, J417A-6SS-5, 51350032, 513-50032, 1112589970, 1112-589970, 2C4360, 4176SS, 417-6SS, 4176SS0062, 417-6SS-0062, 4176SS0102, 417-6SS-0102, 4176SS5, 417-6SS5, 417-6-SS-5, 4176SS50100, 417-6SS5-0100, 4176SS50106, 417-6SS5-0106, 4820-00-903-3755, 00-903-3755, 4820009033755, 009033755

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1960 00-903-3755

Drawings & Photos | NSN 4820-00-903-3755


Demand History | NSN 4820-00-903-3755

Part Number Request Date QTY Origin
MS244236 2024-09-263 59 United States
4820-00-903-3755 2024-07-185 11 United States
4820-00-903-3755 2024-05-151 1 AE
MILPRF25675 2024-05-137 2 UM
MS244236 2023-12-338 23 United States
4820-00-903-3755 2023-11-307 23 Singapore
4820-00-903-3755 2023-08-225 671 DIBBS
4820-00-903-3755 2023-07-205 83 DIBBS
4820-00-903-3755 2023-07-192 83 DIBBS
4820-00-903-3755 2023-07-187 633 DIBBS
4820-00-903-3755 2023-06-174 84 DIBBS
4820-00-903-3755 2023-06-163 84 DIBBS
4820-00-903-3755 2023-06-156 202 DIBBS
4820-00-903-3755 2023-05-145 202 DIBBS
4820-00-903-3755 2023-05-123 122 DIBBS
4820-00-903-3755 2023-05-121 61 DIBBS
4820-00-903-3755 2023-04-110 61 DIBBS
4820-00-903-3755 2022-06-154 347 DIBBS
4820-00-903-3755 2022-05-143 347 DIBBS
4820-00-903-3755 2022-03-76 347 DIBBS
4820-00-903-3755 2022-02-54 64 Korea
4820-00-903-3755 2020-10-287 256 DIBBS
4820-00-903-3755 2020-08-224 4 Singapore
4820-00-903-3755 2020-08-220 4 Singapore
4820-00-903-3755 2020-01-31 2 United States
4820-00-903-3755 2019-08-216 429 DIBBS
4820-00-903-3755 2019-06-170 240 DIBBS
4820-00-903-3755 2019-05-149 120 DIBBS
4820-00-903-3755 2018-03-63 70 KR
J417A6SS5 2018-02-45 6 US
4820-00-903-3755 2016-08-223 407 DIBBS
4820-00-903-3755 2016-04-95 233 DIBBS
4820-00-903-3755 2015-11-305 182 DIBBS
4820-00-903-3755 2015-09-250 410 DIBBS
4820-00-903-3755 2014-12-336 215 DIBBS
4820-00-903-3755 2014-11-316 10 Turkey
4820-00-903-3755 2014-11-307 10 us
4820-00-903-3755 2014-10-302 10 SG
4820-00-903-3755 2013-11-317 4 US
4820-00-903-3755 2013-09-247 1 DIBBS-RFPs
MILPRF25675 2013-01-11 144 US
MILV25675 2013-01-11 144 US
4820-00-903-3755 2012-09-249 444 DIBBS
4820-00-903-3755 2012-08-237 439 DIBBS
4820-00-903-3755 2012-06-171 16 us
4820-00-903-3755 2012-06-170 208 DIBBS
4820-00-903-3755 2012-04-114 142 DIBBS
J417A6SS5 2012-03-88 2 Italy
4820-00-903-3755 2012-03-68 300 DIBBS
4820-00-903-3755 2012-02-39 169 DIBBS
4820-00-903-3755 2011-12-350 74 DIBBS
M256756 2011-11-314 7 Italy
MS244236 2011-11-307 10 United States
4820-00-903-3755 2011-11-307 10 United States
M256756 2011-10-280 2 US
MS244236 2011-10-280 2 US
4820-00-903-3755 2011-10-279 95 DIBBS
1112589970 2011-09-263 17 United States
4820-00-903-3755 2011-08-213 210 DIBBS
4820-00-903-3755 2011-07-193 73 DIBBS
MS244236 2011-03-90 51 US
4820-00-903-3755 2011-03-67 81 DIBBS
J417A6SS5 2011-02-41 6 Italy
MS244236 2010-12-355 60 UK
M256756 2010-04-104 20 Italy
4820-00-903-3755 2010-01-28 119 DIBBS
4820-00-903-3755 2009-07-212 90 DIBBS
4820-00-903-3755 2009-06-170 124 DIBBS
4820-00-903-3755 2008-11-317 207 DIBBS
MILV25675 2007-08-222 1 US

Cross Reference | NSN 4820-00-903-3755

Part Number Cage Code Manufacturer
1112-589970 0TR84 UNITED VALVE COMPANY, DIV OF FEDERAL INDUSTRIES, INC
1112-589970 3H889 PARKER-HANNIFIN CORPORATION DBA FLUID SYSTEMS DIVISION
2C4360 99240 CRISSAIR, INC.
417-6-SS-5 72352 CURTISS-WRIGHT FLOW CONTROL CORPORATION
417-6SS 72352 CURTISS-WRIGHT FLOW CONTROL CORPORATION
417-6SS-0062 72352 CURTISS-WRIGHT FLOW CONTROL CORPORATION
417-6SS-0102 72352 CURTISS-WRIGHT FLOW CONTROL CORPORATION
417-6SS5 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
417-6SS5-0100 72352 CURTISS-WRIGHT FLOW CONTROL CORPORATION
417-6SS5-0106 86768 TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC
513-50032 9F512 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC PUMP DIVISION
J417A-6SS-5 09990 PARKER-HANNIFIN CORPORATION DBA HYDRAULIC VALVE DIV
M25675-6 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-25675 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-V-25675 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS24423-6 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4820-00-903-3755

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PETROLEUM BASE 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 1ST END
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
TEST DATA DOCUMENT 81349-MIL-V-25675 SPECIFICATION
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-PRF-25675
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M25675-6

Restrictions/Controls & Freight Information | NSN 4820-00-903-3755

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 594 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 4820-00-903-3755

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
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