National Stock Number
5975-01-666-3646
National Stock Number (NSN) 5975-01-666-3646, or NIIN 016663646, (wye,electrical conduit) was assigned September 5, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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 Sep 06, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 10234. [A TYPE OF ELECTRICAL CONDUIT FITTING FABRICATED IN THE FORM OF THE LETTER Y, HAVING THREE HUBS PERMITTING CONDUITS AND/OR CONDUIT FITTINGS TO BE TAKEN OFF LATERALLY FROM THE MAIN LINE OF EQUAL DEGREE ON EACH SIDE, OR WITH THE MAIN LINE CONTINUING STRAIGHT WITH A BRANCH TAKING OFF AT AN ANGLE. FOR ITEMS OF THIS TYPE HAVING FACILITIES FOR MOUNTING WIRING DEVICES, SEE CONDUIT OUTLET.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5975016663646 does not contain precious metals.
This information was last updated on Aug 01, 2025.