National Stock Number
6340-01-235-3351
National Stock Number (NSN) 6340-01-235-3351, or NIIN 012353351, (alarm set,pilot warning) was assigned June 27, 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is 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. 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.
There has been very little 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 May 16, 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 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) 38629. [A COMPLETE ELECTRICAL WARNING UNIT SPECIFICALLY DESIGNED TO PROVIDE AN AURAL MESSAGE/WARNING THROUGH PILOT'S EARPHONES AND/OR VISUAL MESSAGE ON PILOT'S HEADS-UP VISOR DISPLAY OR A CONTROL PANEL INDICATING AN UNSAFE AIRCRAFT ATTITUDE, SUCH AS: ALTITUDE, FIRE, CANOPY, PRESSURIZATION, ENGINE AND/OR ROTOR RPMS, AND THE LIKE. ITEM DOES NOT PROVIDE FACILITIES FOR BELLS, BUZZERS, HORNS, SIRENS AND\OR LIGHTS. EXCLUDES:ALARM SET, PERSONNEL HAZARD.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6340012353351 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.