National Stock Number
4520-01-657-6961
National Stock Number (NSN) 4520-01-657-6961, or NIIN 016576961, (heater,space) was assigned August 25, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
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 Aug 26, 2016, 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) 03228. [A DEVICE DESIGNED TO BURN VARIOUS TYPES OF FUEL WITHIN AN INCLOSURE WHICH PROTECTS AND CONFINES THE FIRE. IT IS USED FOR THE PURPOSE OF RAISING THE TEMPERATURE OF THE AIR IN ITS IMMEDIATE VICINITY. THE INCLOSURE MAY BE VENTED. EXCLUDES:HEATER,DUCT TYPE,PORTABLE; HEATER,SPACE,ELECTRIC.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520016576961 does not contain precious metals.
This NSN is associated to Schedule B 7321810000: nonelectric domestic appliances nesoi, iron or steel, gas fuel or both gas and other fuels. The Schedule B End Use is listed as household appliances. NAICS classification category 333414: heating equipment (except warm air furnaces) manufacturing.
This information was last updated on Jun 01, 2025.