Product Details | CHECK VALVE

4820-00-994-0144 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: CH00091L0312, 2C6448, 4820-00-994-0144, 00-994-0144, 4820009940144, 009940144

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 04 APR 1967 00-994-0144

Drawings & Photos | NSN 4820-00-994-0144


Cross Reference | NSN 4820-00-994-0144

Part Number Cage Code Manufacturer
2C6448 99240 CRISSAIR, INC.
CH00091L0312 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4820-00-994-0144

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY
STYLE DESIGNATOR A1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 80.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE B42 FLARED 1ST END
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.750 INCHES 1ST END
THREAD SERIES DESIGNATOR UN 1ST END
NOMINAL THREAD SIZE 1.500 INCHES 1ST END
THREAD QUANTITY PER INCH 12 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL
DISK LOADING METHOD SPRING
MANUFACTURERS CODE 99240
DESIGN CONTROL REFERENCE 2C6448

Restrictions/Controls & Freight Information | NSN 4820-00-994-0144

Category Code Description
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.
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code SX Oklahoma City Air Logistics Center
Tinker AFB, OK 73145-3043
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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