National Stock Number
4520-01-293-8527
National Stock Number (NSN) 4520-01-293-8527, or NIIN 012938527, (heater,ventilation,duct type) was assigned February 8, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4130012800403.
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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 11, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 07531. [A HEAT TRANSFERRING UNIT UTILIZING A SEPARATE SOURCE OF STEAM OR HOT WATER AS THE HEAT TRANSFER MEDIUM. IT CONSISTS OF FINNED PARALLEL TUBES JOINED TOGETHER BY A HEADER OR HEADERS AND IS DESIGNED FOR INSTALLATION IN THE DUCTS OF A FORCED AIR CIRCULATING SYSTEM. IT MAY BE PROVIDED WITH A FLANGED OUTER CASING TO FACILITATE MOUNTING OF THE UNIT IN PLANNED OR EXISTING DUCT WORK. CIRCULATION OF THE HEATED AIR IS ACHIEVED BY USE OF A BLOWER OR FAN NOT INTEGRAL WITH THE HEATING UNIT.]. 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 4520012938527 does not contain precious metals.
This NSN is associated to Schedule B 7322900000: air heaters and hot air distributors, not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel. The Schedule B End Use is listed as household appliances. NAICS classification category 333415: air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing.
This information was last updated on Jun 01, 2024.