National Stock Number (NSN) 5985-01-253-4840, or NIIN 012534840, (attenuator set) was assigned April 18, 1987 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 12 contracts issued for this part number, with 11 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE7M525P1199, SPE7M524V2688, SPE7M518V4824, SPE7M517V0462, SPE7M516V4715. The total value of the awarded contracts has been US$ 120,251.97.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 13,315. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 21, 2013, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. 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) 36750. [A GROUPING OF TWO OR MORE INDIVIDUAL ATTENUATOR, FIXED AND/OR ATTENUATOR, VARIABLE WHICH MAY OR MAY NOT INCLUDE A CASE OR OTHER FACILITY FOR STORAGE AND RAPID ACCESS TO INDIVIDUAL ATTENUATORS. FOR ITEMS WHICH ARE MOUNTED ON A COMMON MOUNTING OR MOUNTED ON EACH OTHER, SEE ATTENUATOR ASSEMBLY.]. 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 5985012534840 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 Aug 01, 2025.