National Stock Number
6635-01-177-0157
National Stock Number (NSN) 6635-01-177-0157, or NIIN 011770157, (transducer,supersonic test) was assigned April 18, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2001, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 18685. [AN ITEM SPECIFICALLY DESIGNED TO TRANSMIT SUPERSONIC FREQUENCY WAVE MOTION ENERGY TO ANOTHER ITEM UNDER TEST, AND TO RECEIVE COMPONENTS OF REFLECTED ENERGY, THE CHARACTERISTICS OF WHICH WHEN INTERPRETED ON AN ASSOCIATED INDICATOR, PROVIDES FACILITIES FOR THE DETERMINATION OF FLAWS OR OTHER IRREGULARITIES OF THE ITEM UNDER TEST. DOES NOT INCLUDE THE INDICATOR. SEE ALSO TRANSDUCER, MOTIONAL PICKUP AND DETECTOR, METAL FLAW, ELECTRONIC.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6635011770157 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 Aug 01, 2025.