National Stock Number (NSN) 4330-01-291-1093, or NIIN 012911093, (filter-separator,liquid fuel) was assigned December 22, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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, 2 suppliers are listed as Active suppliers 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, with the most recent procurement date of May 13, 2011. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM7M311M4405, SPM7M311M4405, SPM7M910V0756, SPM7M910V0756. The total value of the awarded contracts has been US$ 5,348.70.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 Dec 10, 2013, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 22235. [AN ITEM DESIGNED TO REMOVE WATER AND SOLID PARTICULATES FROM CONTAMINATED LIQUID FUELS. IT CONSISTS PRIMARILY OF A TANK WITH A REMOVABLE HEAD OR A PRESSURE VESSEL CONTAINING ELECTRODES AND INLET CONNECTIONS, FILTERING ELEMENTS, AND MAY CONTAIN WATER ACCUMULATOR SUMP(S), ALTERNATING ELECTRIC FIELDS, NECESSARY FLOW CONTROLS, GAGES, AND ACCESSORIES. IT IS USED IN MILITARY AIRCRAFT AND VEHICULAR FUELING AND IN MILITARY PIPELINE SYSTEMS. EXCLUDES:SEPARATOR, WATER, LIQUID FUEL; AND FILTER-SEPARATOR, LIQUID FUEL, TRAILER MOUNTED.]. 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 4330012911093 does not contain precious metals.
This NSN is associated to Schedule B 8421290015: oil-separation equipment for filtering or purifying liquid. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Jul 01, 2025.