National Stock Number
6685-01-216-3056
National Stock Number (NSN) 6685-01-216-3056, or NIIN 012163056, (pyrometer,optical) was assigned September 7, 1985 in the Federal Logistics Information System (FLIS). NIIN 012163056 was cancelled on December 16, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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 Sep 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18521. [A PYROMETER WHICH MEASURES THE QUALITY AND INTENSITY OF LIGHT EMITTED FROM A HOT BODY, OR GLOWING MATERIAL BY COMPARISON WITH A STANDARD SOURCE OF LIGHT AND INDICATED BY THE POSITION OF A POINTER RELATIVE TO A GRADUATED TEMPERATURE SCALE.]. 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 6685012163056 does not contain precious metals.
This information was last updated on Aug 01, 2025.