National Stock Number
3950-01-172-5931
National Stock Number (NSN) 3950-01-172-5931, or NIIN 011725931, (capstan) was assigned February 22, 1984 in the Federal Logistics Information System (FLIS). NIIN 011725931 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 assigned to Item Name Code (INC) 04586. [A MECHANICAL DEVICE CONTAINING A REVOLVING HEAD OR SPOOL, VERTICALLY MOUNTED, AROUND WHICH ONE OR MORE TURNS OF ROPE MUST BE TAKEN FOR EXERTING PULLING POWER. THE CAPSTAN MAY CONTAIN AN AUXILIARY HEAD OR SPOOL.]. 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 3950011725931 does not contain precious metals.
This information was last updated on Aug 01, 2025.