National Stock Number
9630-01-187-5944
National Stock Number (NSN) 9630-01-187-5944, or NIIN 011875944, (manganese alloying additive) was assigned August 23, 1984 in the Federal Logistics Information System (FLIS). NIIN 011875944 was cancelled on May 1, 2010, 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 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.
This NSN is assigned to Item Name Code (INC) 22319. [A METALLIC PRODUCT OF MANGANESE IN CONVENIENT FORM USED AS AN ALLOYING METAL AS WELL AS A PURIFYING AND SCAVENGING AGENT IN THE PRODUCTION OF IRON, COPPER, ALUMINUM ALLOYS, AND ALLOY STEELS.]. 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 9630011875944 does not contain precious metals.
This information was last updated on Aug 01, 2025.