National Stock Number
4520-01-333-0749
National Stock Number (NSN) 4520-01-333-0749, or NIIN 013330749, (tee,air conditioning-heating) was assigned January 23, 1991 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 one supplier. Today, there are no suppliers listed as an Active supplier 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 Sep 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 15640. [A FITTING HAVING A BRANCH OR BRANCHES WHICH ARE FIXED AT 90 DEGREES (1.5708 RADIANS) TO THE RUN, IT MAY BE REDUCING, STRAIGHT OR CONICAL TYPE; AND IS USED AS A JUNCTION AT THE INTERSECTION OF AIR CONDITIONING-HEATING FLUE PIPES OR 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 4520013330749 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.