Product Details | TUBE TO BOSS TEE

4730-01-257-2342 A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) 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. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also TEE, TUBE; and TEE, PIPE TO TUBE. Excludes CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.

Part Alternates: AFP4098D, AFP409-8D, APX7838D, APX783-8D, AS1001, AS1001D100804, AS18280, ER7838D, ER783-8D, FER7838D, FER783-8D, LER7838D, LER783-8D, US11758D, US1175-8D, US1175D08, 110087, 110-087, 1100878D, 110-087-8D, 300248D, 30024-8D, 31738D, 3173-8D, 4730-01-257-2342, 01-257-2342, 4730012572342, 012572342

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

Supply Group (FSG) NSN Assign. NIIN
47 16 JUN 1987 01-257-2342

Demand History | NSN 4730-01-257-2342

Part Number Request Date QTY Origin
AS18280 2014-10-280 1 US
4730-01-257-2342 2013-06-156 18 DIBBS
4730-01-257-2342 2010-08-217 4 DIBBS

Cross Reference | NSN 4730-01-257-2342

Part Number Cage Code Manufacturer
110-087 97499 BELL HELICOPTER TEXTRON INC.
110-087-8D 97499 BELL HELICOPTER TEXTRON INC.
30024-8D 52930 NELSON AERO SPACE, INC.
3173-8D 99473 HAWKER PACIFIC AEROSPACE LANDING GEAR AND COMPONENTS MFG AND
AFP409-8D 30974 AEROFIT, LLC
APX783-8D 01673 SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS
AS1001 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS1001D100804 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS18280 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
ER783-8D 09523 PARKER-HANNIFIN CORPORATION DBA GAS TURBINE FUEL SYSTEMS DIV
ER783-8D 14798 DESIGNED METAL CONNECTIONS, INC. DBA PERMASWAGE
FER783-8D 14397 FABER ENTERPRISES, INC.
LER783-8D 00624 EATON CORPORATION DBA AEROSPACE DIV
US1175-8D 50808 UNITED SUPPLY CO INC
US1175D08 66774 PRECISION AIRCRAFT MACHINING COMPANY, INC.

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Technical Data | NSN 4730-01-257-2342

Characteristic Specifications
MATERIAL ALUMINUM ALLOY OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END THREADED INTERNAL BOSS 3RD END
CONNECTION STYLE B67A PLAIN 1ST END B67A PLAIN 2ND END B9 GASKET SEAL 3RD END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.625 INCHES 1ST END 0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR UNJF ALL ENDS UNJF 1ST END BULKHEAD
NOMINAL THREAD SIZE 0.875 INCHES 1ST END 0.750 INCHES 2ND END 0.437 INCHES 3RD END 0.875 INCHES 1ST END BULKHEAD
THREAD CLASS 3A 1ST END 3A 2ND END 3B 3RD END 3A 1ST END BULKHEAD
LEG LENGTH 2.273 INCHES NOMINAL 1ST END 1.460 INCHES NOMINAL 2ND END 1.180 INCHES NOMINAL 3RD END

Restrictions/Controls & Freight Information | NSN 4730-01-257-2342

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

Management | NSN 4730-01-257-2342

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
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