National Stock Number
6625-00-595-7591
National Stock Number (NSN) 6625-00-595-7591, or NIIN 005957591, (generator,signal) was assigned January 10, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers 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 somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little 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 Apr 01, 2020, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 03901. [AN INSTRUMENT WHICH PRODUCES A CONTINUOUS AUDIO AND/OR RADIO FREQUENCY VOLTAGE, AND WHICH IS DESIGNED FOR TEST PURPOSES ONLY. IT MAY PROVIDE AN OUTPUT AT ONE OR MORE FIXED FREQUENCIES OR BE CONTINUOUSLY VARIABLE OVER ONE OR MORE BANDS. THE FIXED FREQUENCY TYPE IS DISTINGUISHED FROM CALIBRATOR, FREQUENCY IN THAT IT IS A VOLTAGE SOURCE AND IS NOT PRIMARILY INTENDED FOR CHECKING FREQUENCIES FROM OTHER SOURCES. EXCLUDES:GENERATOR, INTERFERENCE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6625005957591 does not contain precious metals.
This NSN is associated to Schedule B 8543200000: signal generators. The Schedule B End Use is listed as electric apparatus. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Jul 01, 2025.