National Stock Number (NSN) 6680-00-398-7415, or NIIN 003987415, (gage rod-breather,liquid level) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4310002129634.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. 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 Feb 02, 2005, 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) 22253. [A THIN METAL STRIP, OF VARIOUS CROSS-SECTIONAL SHAPES, HAVING GRADUATIONS ON ONE END AND A BREATHER ON THE OPPOSITE END. IT IS DESIGNED TO BE INSERTED INTO AN ENGINE, PUMP, OR COMPRESSOR CRANKCASE, TRANSMISSION, GEARCASE, OR THE LIKE, TO DETERMINE THE LEVEL OF THE LIQUID. FOR ITEMS WITH A CAP, SEE GAGE ROD-CAP, LIQUID LEVEL AND ITEMS WITHOUT A CAP OR BREATHER, SEE GAGE ROD, LIQUID LEVEL. FOR ITEMS DESIGNED TO MEASURE THE LIQUID LEVEL OF BULK PETROLEUM TANKS, SEE GAGE STICK, PETROLEUM.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6680003987415 does not contain precious metals.
This NSN is associated to Schedule B 9026107000: instruments and apparatus for measuring or checking the flow or level of liquids, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.
This information was last updated on Aug 01, 2025.