National Stock Number (NSN) 4330-01-557-1858, or NIIN 015571858, (filter-separator,liquid fuel) was assigned October 16, 2007 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 3 suppliers. Today, 3 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M125P0875. The total value of the awarded contracts has been US$ 3,380.34.
This NSN is unique to one weapons system.
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 Feb 06, 2020, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 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 4330015571858 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.