Product Details | CHECK VALVE

4820-00-369-4891 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: 5C5795, H566, 4820-00-369-4891, 00-369-4891, 4820003694891, 003694891

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 MAR 1974 00-369-4891

Demand History | NSN 4820-00-369-4891

Part Number Request Date QTY Origin
H566 2025-09-261 4 DIBBS
H566 2025-07-198 3 DIBBS
H566 2025-06-170 2 DIBBS
H566 2025-05-128 2 DIBBS
H566 2022-08-220 6 DIBBS
H566 2022-07-209 6 DIBBS
H566 2020-05-125 5 DIBBS
H566 2020-04-110 5 DIBBS
4820-00-369-4891 2018-08-242 8 DIBBS
4820-00-369-4891 2018-07-185 6 DIBBS
4820-00-369-4891 2018-04-109 6 DIBBS
4820-00-369-4891 2017-10-274 7 DIBBS
4820-00-369-4891 2017-07-198 10 DIBBS
4820-00-369-4891 2017-06-180 9 DIBBS
4820-00-369-4891 2017-06-155 7 DIBBS
4820-00-369-4891 2016-07-213 7 DIBBS
4820-00-369-4891 2016-03-91 6 DIBBS
4820-00-369-4891 2015-09-246 7 DIBBS
4820-00-369-4891 2015-08-217 3 DIBBS
4820-00-369-4891 2015-07-203 3 DIBBS
4820-00-369-4891 2015-03-89 3 DIBBS
4820-00-369-4891 2015-03-77 3 DIBBS
4820-00-369-4891 2014-03-65 9 DIBBS
4820-00-369-4891 2013-10-276 10 DIBBS
4820-00-369-4891 2013-08-240 10 DIBBS
4820-00-369-4891 2013-03-87 4 DIBBS
4820-00-369-4891 2012-11-309 11 DIBBS
4820-00-369-4891 2012-08-244 4 DIBBS
4820-00-369-4891 2012-02-39 7 DIBBS
4820-00-369-4891 2012-01-17 6 DIBBS
4820-00-369-4891 2011-02-34 10 DIBBS
4820-00-369-4891 2010-02-36 10 DIBBS
4820-00-369-4891 2009-09-272 6 DIBBS
4820-00-369-4891 2009-09-260 15 DIBBS

Cross Reference | NSN 4820-00-369-4891

Part Number Cage Code Manufacturer
5C5795 70236 TACTAIR FLUID CONTROLS, INC.
5C5795 99215 KAISER FLUID TECHNOLOGIES INC.
H566 06239 AUSCO,INC.

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Technical Data | NSN 4820-00-369-4891

Characteristic Specifications
MATERIAL STEEL COMP 304 BODY
SURFACE TREATMENT PASSIVATE
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-00-369-4891

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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 4820-00-369-4891

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.
Materiel Management Aggregation CodeHSSX:AIRCRAFT HYDRAULIC SYSTEMS AND COMPONENTS
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.
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