NSN 4730-01-051-9751, 4730010519751
FITTING ASSEMBLY

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 010519751
Codification Country: United States
Item Name Code: INC 77777
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 4730-01-051-9751

National Stock Number (NSN) 4730-01-051-9751, or NIIN 010519751, (fitting assembly) was assigned December 8, 1977 in the Federal Logistics Information System (FLIS). 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, only one supplier is deemed design controlled or valid supply parts.

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

This NSN is unique to one weapons system.

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) 77777. 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 4730010519751 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) FITTING,TITANIUM 6AL-4V,MIL-T-9047,COMP 6,FLANGE 6AL-4V,MIL-T-9046,TY III,COMP C,3.360 IN.MIN,3.380 IN.MAX FLANGE LG,2.110 IN.MIN,2.130 IN.FLANGE W,0.115 IN.MIN,0.135 IN.MAX FLANGE THK,2 FITTINGS OF DIFFERENT LENGTHS,FIRST FITTING 2.970 IN.MIN,3.030 IN.MAX END TO FLANGE LG,0.371 IN.MIN,0.379 IN.MAX FITTING DIA,0.296 IN.MIN,0.304 IN.MAX HOLE DIA,125.0 UIN FIN.