National Stock Number
5120-00-473-6921
National Stock Number (NSN) 5120-00-473-6921, or NIIN 004736921, (step plate,mechanical puller) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5120004235317.
There are 10 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 20185. [A CIRCULAR DISK, FLANGED TO PROVIDE A SHOULDER, AND DESIGNED TO PROVIDE A BASE FOR THE SCREW POINT OF A PULLER, MECHANICAL WHEN PULLING EXTERNALLY MOUNTED BEARINGS, GEARS, AND THE LIKE FROM HOLLOW SHAFTS OR HOUSINGS. IT HAS A CONCENTRIC, COUNTERSUNK HOLE TO ACCOMMODATE THE PULLER SCREW POINT.]. 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 5120004736921 does not contain precious metals.
This NSN is associated to Schedule B 8205700090: clamps and similar handtools, not vises, and parts. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.