National Stock Number
6665-01-659-8550
National Stock Number (NSN) 6665-01-659-8550, or NIIN 016598550, (calibration check kit,gas monito) was assigned December 20, 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 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 Dec 21, 2016, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 53336. [A COLLECTION OF ITEMS USED FOR CHECKING THE ACCURACY AND RESPONSE TIME OF GAS DETECTION INSTRUMENTS. IT IS COMPATIBLE FOR USE WITH A PASSPORT PERSONAL ALARM AND AN AEROSOL TYPE CHECK KIT USED WITH AN EXPLOSIMETER INDICATOR. MAY INCLUDE REGULATOR, CALIBRATION TUBE, QUICK CONNECT CALIBRATION ADAPTER, HOSE, TUBING, CALIBRATION DEVICE, 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. 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 6665016598550 does not contain precious metals.
This NSN is associated to Schedule B 9027908950: parts and accessories of instruments & apparatus for physical or chemical analysis, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Aug 01, 2025.