National Stock Number
5340-01-277-4498
National Stock Number (NSN) 5340-01-277-4498, or NIIN 012774498, (clamp,block) was assigned April 22, 1988 in the Federal Logistics Information System (FLIS). NIIN 012774498 was cancelled on April 2, 2013, 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 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 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.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 29, 2020, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37415. [A SQUARE OR RECTANGULAR MULTIPIECE ITEM DESIGNED TO BE ATTACHED TO ANOTHER OBJECT OR STRUCTURE. IT MUST HAVE ONE OR MORE HOLES DESIGNED TO SURROUND AND SECURELY GRIP ITEMS SUCH AS ELECTRICAL CABLES, CONDUITS, PIPES, TUBES AND/OR HOSES. IT MAY HAVE ONE OR MORE HOLES DESIGNED TO PREVENT SNAGGING OR CHAFING AND PROVIDE SUPPORT AND/OR GUIDANCE TO MOVING CABLE PASSING THROUGH IT. IT MAY HAVE AN INTEGRAL CLAMPING FEATURE. FOR ITEMS SPECIFICALLY DESIGNED TO SERVE AS A GUIDE, SEE FAIRLEAD, BLOCK AND FAIRLEAD SECTION, BLOCK. EXCLUDES:BRACKET, PIPE.]. 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 5340012774498 does not contain precious metals.
This information was last updated on Aug 01, 2025.