National Stock Number
4920-01-557-1725
National Stock Number (NSN) 4920-01-557-1725, or NIIN 015571725, (fixture,machining,aircraft engine maintenance) was assigned October 15, 2007 in the Federal Logistics Information System (FLIS). NIIN 015571725 was cancelled on December 15, 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 is only one manufacturer part number 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.
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 Oct 15, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 52377. [A FIXTURE DESIGNED TO HOLD AIRCRAFT ENGINE OR AUXILIARY POWER UNIT INDIVIDUAL PARTS, SUBASSEMBLIES, OR ASSEMBLIES IN POSITION FOR MACHINING TO DESIGN TOLERANCES DURING MODIFICATION OR REPAIR.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4920015571725 does not contain precious metals.
This information was last updated on May 01, 2025.