National Stock Number (NSN) 1650-00-756-4991, or NIIN 007564991, (head,fluid filter) was assigned January 1, 1961 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. 3 of those 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 26 contracts issued for this part number, with 26 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A725F6801, SPE4A725F5516, SPE4A725F3505, SPE4A725F2844, SPE4A725F2044. The total value of the awarded contracts has been US$ 483,574.90.
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 May 02, 2006, 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) 22570. [A COMPONENT OF A FLUID FILTER DESIGNED TO CONTAIN THE INLET AND/OR OUTLET PORTS OF THE FILTER. IT ACTS AS A COVER AND ATTACHES TO THE FLUID FILTER BODY OR MOUNTS DIRECTLY TO AN INTEGRAL CAVITY IN AN ENGINE, MANIFOLD, CASING, OR THE LIKE. THE ITEM MAY INCLUDE RELIEF, CHECK, BY-PASS VALVES, AND/OR FLUID FILTER ELEMENT(S). IT MAY HAVE MEANS FOR SUPPORTING THE FILTER ELEMENT(S), AND MEANS FOR MOUNTING THE FILTER. EXCLUDES:HEAD, SEDIMENT STRAINER AND COVER, FLUID FILTER.]. 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 1650007564991 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.