National Stock Number (NSN) 5355-01-225-5993, or NIIN 012255993, (knob) was assigned February 4, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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, only one supplier is 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 Sep 15, 2014. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5E814M4273, SPM5M210M3881, SPM5M210M3881. The total value of the awarded contracts has been US$ 85,503.12.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 18, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03263. [AN ITEM DESIGNED TO TRANSMIT MANUAL, ROTARY OR LINEAR MOTION TO OTHER DEVICES. MAY INCLUDE DETACHABLE OR NONDETACHABLE STUD (SHAFT), POINTER, OR SKIRT. IT MAY HAVE REFERENCE MARKINGS IN THE FORM OF DOTS, ARROWS, HAIRLINES, AND/OR SYMBOLS WHICH MAY BE USED IN CONJUNCTION WITH A CALIBRATED PANEL, VERNIER INDICATOR, AND THE LIKE TO INDICATE THE POSITION OR MOTION OF ITEMS. FOR ITEMS HAVING SPOKES OR SIMULATED SPOKES RADIATING FROM NEAR THE CENTER TO NEAR THE OUTSIDE RIM OF THE ITEM AND RELATIVELY THIN ROUND DISK-SHAPED ITEMS 3 INCHES (76.2 MM) IN DIAMETER OR OVER, SEE HANDWHEEL. FOR ITEMS CALIBRATED IN UNITS OR SERIES OF DIVISIONS TO DENOTE RELATIVE POSITIONING OF DEVICES SEE DIAL, CONTROL. EXCLUDES DOORKNOB; AND HANDLE (AS MODIFIED).]. 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 5355012255993 does not contain precious metals.
This NSN is associated to Schedule B 8531900002: parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Jul 01, 2025.