Product Details | CHECK VALVE

4820-01-167-9446 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: 3C2108, 4820-01-167-9446, 01-167-9446, 4820011679446, 011679446

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 08 DEC 1983 01-167-9446

Drawings & Photos | NSN 4820-01-167-9446


Demand History | NSN 4820-01-167-9446

Part Number Request Date QTY Origin
3C2108 2025-09-260 5 DIBBS
3C2108 2025-07-203 11 DIBBS
3C2108 2025-07-202 5 DIBBS
3C2108 2025-03-79 11 DIBBS
3C2108 2025-03-72 5 DIBBS
3C2108 2025-03-67 11 DIBBS
3C2108 2024-04-92 11 DIBBS
3C2108 2024-03-71 11 DIBBS
3C2108 2024-02-60 11 DIBBS
3C2108 2024-02-51 7 DIBBS
3C2108 2024-02-39 7 DIBBS
3C2108 2023-04-103 5 DIBBS
4820-01-167-9446 2018-08-242 10 DIBBS
4820-01-167-9446 2018-05-126 7 DIBBS
4820-01-167-9446 2014-09-255 2 DIBBS
4820-01-167-9446 2012-11-318 4 DIBBS
4820-01-167-9446 2012-08-229 3 DIBBS
4820-01-167-9446 2010-12-340 4 DIBBS
4820-01-167-9446 2010-11-320 3 DIBBS
4820-01-167-9446 2009-03-72 3 DIBBS
4820-01-167-9446 2009-03-68 3 DIBBS
4820-01-167-9446 2008-12-352 4 DIBBS

Cross Reference | NSN 4820-01-167-9446

Part Number Cage Code Manufacturer
3C2108 99240 CRISSAIR, INC.

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Technical Data | NSN 4820-01-167-9446

Characteristic Specifications
MATERIAL STEEL COMP 630 BODY STEEL COMP 630 FLOW CONTROL DEVICE
SURFACE TREATMENT PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED NITROGEN, GASEOUS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 265.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END
CONNECTION STYLE B46A PLAIN 1ST END B46A PLAIN 2ND END
THREAD SERIES DESIGNATOR UNS 1ST END UNS 2ND END
NOMINAL THREAD SIZE 0.719 INCHES 1ST END 0.562 INCHES 2ND END
THREAD QUANTITY PER INCH 20 1ST END 20 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 END FITTINGS PER RESISTOFLEX DYNATUBE R44090
MANUFACTURERS CODE 99240
DESIGN CONTROL REFERENCE 3C2108

Restrictions/Controls & Freight Information | NSN 4820-01-167-9446

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 S 60
Less than truck load rating W Rating Variable
Water commodity Code 576 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 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 Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-01-167-9446

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 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