National Stock Number
6635-01-353-7789
National Stock Number (NSN) 6635-01-353-7789, or NIIN 013537789, (transducer,ultrasonic test) was assigned February 16, 1992 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 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 16, 2018. There have been 11 contracts issued for this part number, with 11 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE4A618V169U, SPE4A617VG548, SPE4A417V4717, SPE4A615VD424, SPE4A615VB992. The total value of the awarded contracts has been US$ 9,825.89.
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 Jan 24, 2012, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 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 6635013537789 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.