Product Details | FLANGE TO TUBE STRAIGHT ADAPTER

4730-01-168-3521 An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It is designed to join a flange or flange fitting to a tube or tube fitting in a straight line.

Part Alternates: L4801637, L4801637003, L4801637-003, 4730-01-168-3521, 01-168-3521, 4730011683521, 011683521

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 15 DEC 1983 01-168-3521

Cross Reference | NSN 4730-01-168-3521

Part Number Cage Code Manufacturer
L4801637 43999 BOEING COMPANY, THE DBA BOEING
L4801637-003 43999 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 4730-01-168-3521

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END FLANGE 2ND END
CONNECTION STYLE B63A INVERTED FLARE 1ST END
SEAT ANGLE 20.0 DEGREES 1ST END
FLANGE SHAPE ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER 4.575 INCHES 2ND END
NOMINAL THICKNESS 0.115 INCHES 2ND END
BOLT HOLE QUANTITY 6 2ND END
BOLT HOLE NOMINAL DIAMETER 0.204 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 3.400 INCHES 2ND END
FLANGE FACE DESIGN PLAIN 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.560 INCHES 1ST END
THREAD SERIES DESIGNATOR UN 1ST END
NOMINAL THREAD SIZE 2.188 INCHES 1ST END
THREAD QUANTITY PER INCH 16 1ST END
THREAD CLASS 2A 1ST END
NOMINAL OVERALL LENGTH 1.280 INCHES
SPECIAL FEATURES ONE HOLE OFFSET,FLANGE HEXED BETWEEN 4 HOLES

Restrictions/Controls & Freight Information | NSN 4730-01-168-3521

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 051400 PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable