National Stock Number
6665-00-490-2479
National Stock Number (NSN) 6665-00-490-2479, or NIIN 004902479, (combustible gas indicator set,po) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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, 2001, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18532. [A COLLECTION OF UNASSEMBLED COMPONENTS, WHICH WHEN ASSEMBLED DETECTS ELECTRICALLY AND INDICATES VISUALLY, CONCENTRATIONS OF COMBUSTIBLE GAS AND/OR VAPOR IN THE AIR. IT IS DESIGNED TO BE CARRIED IN THE HAND OR ATTACHED TO THE PERSON. DOES NOT INCLUDE ITEMS HAVING WARNING OR RECORDING SYSTEMS. EXCLUDES:INDICATOR, COMBUSTIBLE GAS, PORTABLE.]. 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 6665004902479 does not contain precious metals.
This information was last updated on Aug 01, 2025.