National Stock Number
6625-00-557-0523
National Stock Number (NSN) 6625-00-557-0523, or NIIN 005570523, (generator,signal) was assigned January 1, 1963 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. 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.
This NSN is unique to one weapons system.
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 6625005570523 contains silver.
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 Aug 01, 2025.