National Stock Number
5305-01-557-1161
National Stock Number (NSN) 5305-01-557-1161, or NIIN 015571161, (screw,machine) was assigned October 12, 2007 in the Federal Logistics Information System (FLIS). NIIN 015571161 was cancelled on March 2, 2010, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5305014790910. This NSN does not replace any other NSNs.
There are 3 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, with the most recent procurement date of Dec 31, 2009. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L110MD344. The total value of the awarded contracts has been US$ 22.50.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 06657. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.]. 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 5305015571161 does not contain precious metals.
This information was last updated on Aug 01, 2025.