National Stock Number
6030-01-131-7251
National Stock Number (NSN) 6030-01-131-7251, or NIIN 011317251, (attenuator variable,light signal) was assigned May 14, 1982 in the Federal Logistics Information System (FLIS). NIIN 011317251 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, there are no suppliers 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 assigned to Item Name Code (INC) 40979. [A DEVICE FOR REDUCING THE STRENGTH OF LIGHT SIGNALS TRANSMITTED THROUGH AN OPTICAL CONDUCTOR WITHOUT CAUSING APPRECIABLE DISTORTION. THE ATTENUATION IS ADJUSTABLE IN SOME RANGE WITH AN ADJUSTMENT WHEEL OR SCREW. IT MAY BE STEPWISE VARIABLE OR CONTINUOUSLY VARIABLE. EXCLUDES: ATTENUATOR FIXED,LIGHT SIGNAL.]. 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 6030011317251 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.