National Stock Number
3680-01-181-1720
National Stock Number (NSN) 3680-01-181-1720, or NIIN 011811720, (rapping plate,foundry pattern) was assigned June 7, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 17948. [A FLAT, CIRCULAR, DISKLIKE, METAL ITEM TO BE ATTACHED TO A PATTERN FOR PROTECTION FROM DAMAGE BY RAPPING REQUIRED TO LOOSEN PATTERN FROM MOLD. IT IS ALSO USED TO PROVIDE A MEANS FOR ATTACHING A LIFTING SCREW BY WHICH PATTERN IS REMOVED FROM MOLD.]. 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 3680011811720 does not contain precious metals.
This information was last updated on Aug 01, 2025.