National Stock Number
3020-00-570-5401
National Stock Number (NSN) 3020-00-570-5401, or NIIN 005705401, (guard,mechanical drive) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). 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, 2 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 Jul 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 61746. [A SAFETY DEVICE FABRICATED OF RIGID OR SEMIRIGID MATERIAL FORMED IN VARIOUS SHAPES. IT MAY BE FABRICATED FROM A SINGLE PIECE OF MATERIAL, AND CONTAINS BRACKETS, HOLES, OR OTHER MEANS OF ATTACHMENTS. IT IS DESIGNED TO PARTIALLY OR FULLY INCLOSE GEAR(S), PULLEY(S), SPROCKET(S), AND THE LIKE.]. 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 3020005705401 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.