National Stock Number
1560-01-266-3477
National Stock Number (NSN) 1560-01-266-3477, or NIIN 012663477, (rib,airfoil) was assigned October 23, 1987 in the Federal Logistics Information System (FLIS). NIIN 012663477 was cancelled on January 2, 2019, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 41026. [A PRINCIPAL CHORDWISE RIB THAT GIVES CROSS-SECTIONAL SHAPE, STRENGTH AND RIGIDITY TO A PORTION OF A WING, STABILIZER, AND THE LIKE. SEE ALSO RIB (1), STIFFENER, AIRCRAFT]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 1560012663477 does not contain precious metals.
This information was last updated on Aug 01, 2025.