National Stock Number
6625-01-259-7640
National Stock Number (NSN) 6625-01-259-7640, or NIIN 012597640, (slotted line,waveguide) was assigned July 22, 1987 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 15, 2002, 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) 22859. [AN ITEM CONSISTING OF A WAVEGUIDE SLOTTED SECTION AND SUITABLE FLANGES FOR CONNECTING INTO A WAVEGUIDE TRANSMISSION LINE. IT IS DESIGNED FOR USE IN MICROWAVE MEASUREMENT. IT MUST INCLUDE AN INTEGRAL CARRIAGE WHICH PROVIDES FOR APPLYING LONGITUDINAL MECHANICAL MOTION TO A PROBE, WAVEGUIDE. IT HAS A CALIBRATED DIRECT READING METRIC VERNIER SCALE AND MAY HAVE FACILITIES FOR MOUNTING A DIAL GAGE. IT MAY INCLUDE A PROBE. SEE ALSO SLOTTED SECTION, WAVEGUIDE; LINE SECTION, RADIO FREQUENCY TRANSMISSION; INDICATOR, STANDING WAVE RATIO.]. 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 6625012597640 does not contain precious metals.
This NSN is associated to Schedule B 9030908030: parts and accessories of articles of schedule b subheading 9030.39. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Aug 01, 2025.