Product Details | CHECK VALVE

4820-01-168-5103 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: 232A10UT, 232A-10UT, 4820-01-168-5103, 01-168-5103, 4820011685103, 011685103

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 DEC 1983 01-168-5103

Drawings & Photos | NSN 4820-01-168-5103


Demand History | NSN 4820-01-168-5103

Part Number Request Date QTY Origin
232A-10UT 2025-11-310 36 DIBBS
232A-10UT 2025-05-139 32 DIBBS
232A-10UT 2025-05-128 32 DIBBS
232A-10UT 2024-02-57 65 DIBBS
232A-10UT 2024-02-57 41 DIBBS
232A-10UT 2024-02-46 41 DIBBS
232A-10UT 2023-11-316 65 DIBBS
232A-10UT 2023-05-121 57 DIBBS
232A-10UT 2023-04-110 57 DIBBS
232A-10UT 2023-01-17 36 DIBBS
232A-10UT 2023-01-05 36 DIBBS
232A-10UT 2022-10-290 56 DIBBS
232A-10UT 2022-10-279 56 DIBBS
232A-10UT 2022-06-157 12 DIBBS
232A-10UT 2022-05-146 12 DIBBS
232A-10UT 2022-01-06 18 DIBBS
232A-10UT 2021-12-360 18 DIBBS
232A-10UT 2021-05-137 10 DIBBS
232A-10UT 2021-05-126 10 DIBBS
232A-10UT 2021-02-41 11 DIBBS
232A-10UT 2021-01-21 11 DIBBS
232A-10UT 2020-10-294 51 DIBBS
232A-10UT 2019-03-66 28 DIBBS
4820-01-168-5103 2018-11-312 32 DIBBS
4820-01-168-5103 2018-09-270 24 DIBBS
4820-01-168-5103 2017-03-61 36 DIBBS
4820-01-168-5103 2017-02-33 48 DIBBS
4820-01-168-5103 2016-12-348 29 DIBBS
4820-01-168-5103 2015-07-210 54 DIBBS
4820-01-168-5103 2015-01-15 44 DIBBS
4820-01-168-5103 2013-08-240 33 DIBBS
4820-01-168-5103 2012-05-150 0 DIBBS
4820-01-168-5103 2012-05-125 28 DIBBS
4820-01-168-5103 2012-03-76 10 DIBBS
4820-01-168-5103 2012-02-52 11 DIBBS
4820-01-168-5103 2012-02-52 12 DIBBS
4820-01-168-5103 2009-01-20 22 DIBBS

Cross Reference | NSN 4820-01-168-5103

Part Number Cage Code Manufacturer
232A-10UT 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-168-5103

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B43 EXTERNAL SEAT FOR GASKET SEAL 1ST END B43 EXTERNAL SEAT FOR GASKET SEAL 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END
THREAD SERIES DESIGNATOR UNJF 1ST END UNJF 2ND END
NOMINAL THREAD SIZE 0.875 INCHES 1ST END 0.875 INCHES 2ND END
THREAD CLASS 3A 1ST END 3A 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING
SPECIAL FEATURES ONE END IS DOUBLE THREADED BULKHEAD PER MS33657
MANUFACTURERS CODE 91816
DESIGN CONTROL REFERENCE 232A-10UT

Restrictions/Controls & Freight Information | NSN 4820-01-168-5103

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 SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
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 4820-01-168-5103

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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
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