Product Details | CHECK VALVE

4820-00-450-1985 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: CP000303, CP00030-3, 864A6TBL6, 4820-00-450-1985, 00-450-1985, 4820004501985, 004501985

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 DEC 1969 00-450-1985

Drawings & Photos | NSN 4820-00-450-1985


Cross Reference | NSN 4820-00-450-1985

Part Number Cage Code Manufacturer
864A6TBL6 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
CP00030-3 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4820-00-450-1985

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY ALUMINUM ALLOY 2024 SEAT
SURFACE TREATMENT ANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR A3 STRAIGHT THRU
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE B42 FLARED 1ST END B4 GASKET SEAL 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD CLASS 3A 1ST END 3B 2ND END
THREAD DIRECTION RIGHT-HAND ALL ENDS
MOUNTING POSITION HORIZONTAL OR VERTICAL
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-00-450-1985

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: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 J 100.2
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 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