National Stock Number
3020-01-315-1631
National Stock Number (NSN) 3020-01-315-1631, or NIIN 013151631, (guard,mechanical drive) was assigned February 10, 1990 in the Federal Logistics Information System (FLIS). NIIN 013151631 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 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.
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 3020013151631 does not contain precious metals.
This information was last updated on Jul 01, 2025.