National Stock Number
6695-01-357-1954
National Stock Number (NSN) 6695-01-357-1954, or NIIN 013571954, (interferometer) was assigned April 18, 1992 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. 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, only one supplier is deemed design controlled or valid supply parts.
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 Jan 17, 2009, 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) 39537. [AN ITEM TO PRODUCE AND DISPLAY INTERFERENCE BETWEEN TWO OR MORE WAVETRAINS. IT MEASURES SPECIMEN, LIGHT WAVES, AND COHERENCY OF A BEAM OF LIGHT.]. 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 6695013571954 does not contain precious metals.
This NSN is associated to Schedule B 8705900000: special purpose vehicles, nesoi. The Schedule B End Use is listed as trucks, buses and special purpose vehicles. NAICS classification category 336120: heavy duty truck manufacturing.
This information was last updated on Aug 01, 2025.