National Stock Number
4730-01-559-3079
National Stock Number (NSN) 4730-01-559-3079, or NIIN 015593079, (wye,true,pipe) was assigned December 12, 2007 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 12, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18311. [A FITTING IN THE FORM OF THE LETTER Y WITH EACH BRANCH USUALLY FIXED AT 45 DEGREES (0.78539 RADIANS) TO THE RUN. IT HAS IDENTICAL FLANGED ENDS.]. 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 4730015593079 does not contain precious metals.
This information was last updated on Aug 01, 2025.