Product Details | TUBE TO BOSS TEE

4730-01-043-6738 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: MS21911K8, AS18280, AS24911, 4730-01-043-6738, 01-043-6738, 4730010436738, 010436738

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

Supply Group (FSG) NSN Assign. NIIN
47 28 JUN 1977 01-043-6738

Demand History | NSN 4730-01-043-6738

Part Number Request Date QTY Origin
AS18280 2014-10-280 1 US
4730-01-043-6738 2009-11-327 30 DIBBS
4730-01-043-6738 2009-04-119 4 DIBBS
4730-01-043-6738 2008-11-330 7 DIBBS
4730-01-043-6738 2008-11-322 5 DIBBS

Cross Reference | NSN 4730-01-043-6738

Part Number Cage Code Manufacturer
AS18280 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS24911 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21911K8 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21911K8 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4730-01-043-6738

Characteristic Specifications
MATERIAL STEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-F-18280,T6 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MEDIA FOR WHICH DESIGNED AERONAUTICAL FLUID SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED INTERNAL BOSS 2ND END THREADED EXTERNAL BOSS 3RD END
CONNECTION STYLE B66 FLARELESS 1ST END B9 GASKET SEAL 2ND END B71A EXTERNAL SEAT FOR GASKET SEAL 3RD END
SEAT ANGLE 12.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES 1ST END
THREAD SERIES DESIGNATOR UNJF ALL ENDS UNJF 1ST END BULKHEAD
NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS 0.750 INCHES 1ST END BULKHEAD
THREAD CLASS 3A 1ST END 3B 2ND END 3A 3RD END 3A 1ST END BULKHEAD
LEG LENGTH 2.031 INCHES NOMINAL 1ST END 1.000 INCHES NOMINAL 2ND END 1.343 INCHES NOMINAL 3RD END
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
SPECIFICATION/STANDARD DATA 96906-MS21911 GOVERNMENT STANDARD
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION SPRUANCE CLASS DD (963)

Restrictions/Controls & Freight Information | NSN 4730-01-043-6738

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 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 4730-01-043-6738

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