National Stock Number
5985-00-412-1878
National Stock Number (NSN) 5985-00-412-1878, or NIIN 004121878, (attenuator,fixed) was assigned February 2, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5985013054456, 5985010471928, 5985010379748.
There are 20 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 21 suppliers. Today, 19 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 14 suppliers 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) 14224. [A DEVICE FOR REDUCING THE STRENGTH OF AN ALTERNATING CURRENT SIGNAL BY A FIXED OR PREDETERMINED AMOUNT, WITHOUT CAUSING APPRECIABLE SIGNAL DISTORTION, BY MAINTAINING CORRECT IMPEDANCE MATCH.]. 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 5985004121878 does not contain precious metals.
This NSN is associated to Schedule B 8529109000: antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi. The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334220: radio and television broadcasting and wireless communications equipment manufacturing.
This information was last updated on Jul 01, 2025.