National Stock Number
3815-00-378-8686
National Stock Number (NSN) 3815-00-378-8686, or NIIN 003788686, (bucket,clamshell) was assigned January 1, 1963 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, 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) 05712. [AN APPARATUS CONSISTING OF TWO SCOOP-SHAPED METAL STRUCTURES, HINGED TOGETHER AT THEIR SIDES IN SUCH A MANNER AS TO FORM A BUCKET WHEN THE TWO PIECES MEET. IT HAS AN ARM ATTACHED AT EACH CORNER, A SHEAVE AND OTHER NECESSARY EQUIPMENT FOR OPENING AND CLOSING THE TWO PIECES, AND FOR ATTACHING TO THE END OF A CABLE, OPERATED BY A CRANE OR CRANE-SHOVEL FOR MATERIAL HANDLING, EXCAVATING, AND DREDGING OPERATIONS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3815003788686 contains an unknown precious metal.
This NSN is associated to Schedule B 8431410040: clamshell (grappler) attachments. The Schedule B End Use is listed as excavating machinery. NAICS classification category 333120: construction machinery manufacturing.
This information was last updated on Aug 01, 2025.