National Stock Number
6640-01-458-3706
National Stock Number (NSN) 6640-01-458-3706, or NIIN 014583706, (tube kit,smoke ventilation) was assigned August 24, 1998 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. ISO Group has several sources of supply for this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 55 contracts issued for this part number, with 53 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE2DH25V2514, SPE2DH25V0957, SPE2DH25V0313, SPE2DH24P1139, SPE2DH24V2353. The total value of the awarded contracts has been US$ 36,502.44.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a moderate amount of 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 02, 2006, 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) 53435. [A COLLECTION OF ITEMS DESIGNED FOR USE WHERE REGULATED TIME OF VISABLE SMOKE IS DESIRED IN ORDER TO DETERMINE THE VELOCITY, DIRECTION, AND FLOW PATTERNS OF SLOW-MOVING AIR CURRENTS. MAY INCLUDE ASPIRATOR BULB, PLUGS, SMOKE-PRODUCING TUBES, CARRYING CASE, AND OTHER RELATED ITEMS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 6640014583706 does not contain precious metals.
This information was last updated on Jun 01, 2025.