NSN 4730-00-278-9174, 4730002789174
CROSS,PIPE

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 002789174
Codification Country: United States
Item Name Code: INC 08528
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.

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DLMS^® Summary

National Stock Number 4730-00-278-9174

National Stock Number (NSN) 4730-00-278-9174, or NIIN 002789174, (cross,pipe) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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

This NSN is assigned to Item Name Code (INC) 08528. [A FITTING HAVING FOUR BRANCHES IN THE SAME PLANE WHOSE AXES FORM RIGHT ANGLES. THE CONNECTIONS HAVE STANDARD PIPE THREADS OR ARE UNTHREADED AND DESIGNED TO ACCOMMODATE A PIPE. IT MAY HAVE SIDE INLET(S). IT IS DESIGNED TO BE USED AS A JUNCTION AT THE INTERSECTION OF PIPE AND/OR PIPE FITTINGS.]. 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 4730002789174 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

CONNECTION TYPE: (AWLS) THREADED INTERNAL PIPE 1ST END
CONNECTION TYPE: (AWLS) THREADED INTERNAL PIPE 2ND END
CONNECTION TYPE: (AWLS) THREADED INTERNAL PIPE 3RD END
CONNECTION TYPE: (AWLS) THREADED INTERNAL PIPE 4TH END
CONNECTION STYLE: (AHNC) PLAIN (PIPE) ALL ENDS
LEG LENGTH: (AHSJ) 2.700 INCHES NOMINAL 1ST END
LEG LENGTH: (AHSJ) 2.700 INCHES NOMINAL 2ND END
LEG LENGTH: (AHSJ) 2.700 INCHES NOMINAL 3RD END
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTNA126,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) IRON OVERALL
MAXIMUM OPERATING PRESSURE: (CQGM) 175.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED: (AAAR) 2.500 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED: (AAAR) 2.500 INCHES 3RD END
NOMINAL PIPE SIZE ACCOMMODATED: (AAAR) 2.500 INCHES 1ST END
NOMINAL THREAD SIZE: (CQJX) 2.500 INCHES 1ST END
NOMINAL THREAD SIZE: (CQJX) 2.500 INCHES 2ND END
NOMINAL THREAD SIZE: (CQJX) 2.500 INCHES 3RD END
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 1 TYPE AND 125 CLASS
SURFACE TREATMENT: (SFTT) ZINC INSIDE
SURFACE TREATMENT: (SFTT) ZINC OUTSIDE
THREAD SERIES DESIGNATOR: (THSD) NPT 1ST END
THREAD SERIES DESIGNATOR: (THSD) NPT 2ND END
THREAD SERIES DESIGNATOR: (THSD) NPT 3RD END