Product Details | ADAPTER BUSHING

4730-00-203-0373 An item having wrenching facilities on one end and a threaded connection of one type within an externally threaded connection of another type. One connection must have machine threads not designed for any type of tube or tube fitting.

Part Alternates: 200864A3, 4015H3, 5042H3, 4730-00-203-0373, 00-203-0373, 4730002030373, 002030373

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-203-0373

Cross Reference | NSN 4730-00-203-0373

Part Number Cage Code Manufacturer
200864A3 02978 L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS
4015H3 0AHP5 CURTISS-WRIGHT CONTROLS, INC DIV FLIGHT SYSTEMS
4015H3 15555 CURTISS-WRIGHT CORP
5042H3 0AHP5 CURTISS-WRIGHT CONTROLS, INC DIV FLIGHT SYSTEMS
5042H3 15555 CURTISS-WRIGHT CORP

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Technical Data | NSN 4730-00-203-0373

Characteristic Specifications
MATERIAL STEEL
MALE END THREAD SIZE 1/2 IN.-20
MALE END SCREW THREAD SERIES DESIGNATOR UNF-MODIFIED
MALE END THREAD PITCH DIAMETERS 0.4778 TO 0.4791 INCHES
MALE END THREAD DIRECTION RIGHT-HAND
MALE END THREAD LENGTH 0.440 INCHES MINIMUM AND 0.480 INCHES MAXIMUM
FEMALE END THREAD SIZE 5/16 IN.-24
FEMALE END SCREW THREAD SERIES DESIGNATOR UNF
FEMALE END THREAD CLASS 2B
FEMALE END THREAD DIRECTION RIGHT-HAND
FEMALE END THREAD LENGTH 0.430 INCHES NOMINAL
FEMALE END CHARACTERISTIC COUNTERBORED COUNTERSUNK
COUNTERBORE/COUNTERSINK LOCATION WRENCHING HEAD END,INTERNALLY THREADED END
DIAMETER 0.328 INCHES NOMINAL
DEPTH 0.220 INCHES NOMINAL 0.020 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
CHAMFER ANGLE IN DEG 90.000
WRENCHING FACILITY SHAPE HEXAGON
WIDTH ACROSS FLATS 0.563 INCHES NOMINAL
THICKNESS 0.070 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
OVERALL LENGTH 0.710 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 4730-00-203-0373

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: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 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code XX
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

Management | NSN 4730-00-203-0373

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each