National Stock Number
6625-00-643-1541
National Stock Number (NSN) 6625-00-643-1541, or NIIN 006431541, (generator,signal) was assigned January 1, 1961 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 6625006431541 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.