National Stock Number
6635-01-378-5444
National Stock Number (NSN) 6635-01-378-5444, or NIIN 013785444, (transducer,ultrasonic test) was assigned August 21, 1993 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier 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 12 contracts issued for this part number, with 12 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE4A625V4692, SPE4A122V0387, SPE4A621PS203, SPE4A621PE204, SPE4A620V5460. The total value of the awarded contracts has been US$ 365,492.49.
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 May 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 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) 45466. [AN ITEM DESIGNED TO CONVERT ELECTRICAL SIGNALS INTO MECHANICAL VIBRATIONS OR ULTRASOUND BEAMS. THESE SIGNALS ARE PASSED THROUGH A MATERIAL AND ARE REFLECTED AND SCATTERED BY ANY DISCONTINUITIES (FLAWS) BACK TO THE RECEIVING UNIT WHERE THEY ARE RECONVERTED TO ELECTRICAL SIGNALS AND AMPLIFIED FOR PROCESSING ON AN INDICATOR FOR INTERPRETATION. SEE ALSO TRANSDUCER, SUPERSONIC TEST.]. 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 6635013785444 does not contain precious metals.
This NSN is associated to Schedule B 9027509000: instrument and apparatus for physical or chemical analysis using optical radiations, nesoi. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Jul 01, 2025.