NSN 4730-00-434-5333, 4730004345333
TEE,TUBE

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 004345333
Codification Country: United States
Item Name Code: INC 03809
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4730-00-434-5333

National Stock Number (NSN) 4730-00-434-5333, or NIIN 004345333, (tee,tube) was assigned August 17, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 03809. [A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. THE CONNECTIONS HAVE MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE, OR ARE UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. IT MAY HAVE SIDE INLET(S). IT IS USED AS A JUNCTION AT THE INTERSECTION OF A TUBE OR TUBE FITTING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730004345333 contains an unknown precious metal.

This NSN is associated to Schedule B 7307994000: other fittings nesoi of alloy steel not stainless. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

THREAD CLASS: (AAJD) UNABLE TO DECODE
CONNECTION TYPE: (AWLS) UNABLE TO DECODE
MAXIMUM OPERATING PRESSURE: (CQGM) 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SEAT ANGLE: (CQRB) UNABLE TO DECODE
THREAD CLASS: (AAJD) 3A 3RD END
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES 3RD END
SEAT ANGLE: (CQRB) 37.0 DEGREES 3RD END
NOMINAL THREAD SIZE: (CQJX) UNABLE TO DECODE
THREAD CLASS: (AAJD) 3A 1ST END
MAXIMUM OPERATING PRESSURE: (CQGM) UNABLE TO DECODE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.375 INCHES 3RD END
MEDIA FOR WHICH DESIGNED: (MEDA) UNABLE TO DECODE
CONNECTION STYLE: (AHNC) FLARED (TUBE) 1ST END
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: (CWFN) 0.047 INCHES 2ND END
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: (CWFN) UNABLE TO DECODE
THREAD SERIES DESIGNATOR: (THSD) UNABLE TO DECODE
MATERIAL: (MATT) STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 347 OVERALL
CONNECTION TYPE: (AWLS) THREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE: (AWLS) THREADED EXTERNAL TUBE THIRD END
CONNECTION TYPE: (AWLS) UNTHREADED EXTERNAL TUBE SECOND END
CONNECTION STYLE: (AHNC) FLARED (TUBE) THIRD END
CONNECTION STYLE: (AHNC) FLARED (TUBE) FIRST END
CONNECTION STYLE: (AHNC) PLAIN (TUBE) SECOND END
LEG LENGTH: (AHSJ) 1.066 INCHES MINIMUM AND 1.088 INCHES MAXIMUM THIRD END
LEG LENGTH: (AHSJ) 1.066 INCHES MINIMUM AND 1.088 INCHES MAXIMUM FIRST END
LEG LENGTH: (AHSJ) 1.788 INCHES MINIMUM AND 1.808 INCHES MAXIMUM SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.375 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.375 INCHES THIRD END
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES FIRST END
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES THIRD END
SEAT ANGLE: (CQRB) 37.0 DEGREES THIRD END
SEAT ANGLE: (CQRB) 37.0 DEGREES FIRST END
THREAD CLASS: (AAJD) 3A FIRST END
THREAD CLASS: (AAJD) 3A THIRD END
THREAD SERIES DESIGNATOR: (THSD) UNF THIRD END
UNABLE TO DECODE: (CQGM) UNABLE TO DECODE
MATERIAL: (MATT) STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 347 OVERALL
CONNECTION STYLE: (AHNC) FLARED (TUBE) 3RD END
NOMINAL THREAD SIZE: (CQJX) 0.562 INCHES 1ST END
SEAT ANGLE: (CQRB) 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.375 INCHES 1ST END
CONNECTION STYLE: (AHNC) PLAIN (TUBE) 2ND END
MEDIA FOR WHICH DESIGNED: (MEDA) FLUID SINGLE RESPONSE
THREAD SERIES DESIGNATOR: (THSD) UNF 1ST END
THREAD SERIES DESIGNATOR: (THSD) UNF 3RD END
CONNECTION STYLE: (AHNC) UNABLE TO DECODE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) UNABLE TO DECODE