National Stock Number
4330-00-538-8433
National Stock Number (NSN) 4330-00-538-8433, or NIIN 005388433, (filter,felt) was assigned September 25, 1974 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is fairly common among different weapons systems, belonging to 13 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 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. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. 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 4330005388433 does not contain precious metals.
This NSN is associated to Schedule B 5602100000: felt, whether or not impregnated, coated, covered or laminated: needleloom felt and stitch-bonded fiber fabrics. The Schedule B End Use is listed as finished textile supplies. NAICS classification category 313230: nonwoven fabric mills.
This information was last updated on Jul 01, 2025.