National Stock Number
5905-01-255-9891
National Stock Number (NSN) 5905-01-255-9891, or NIIN 012559891, (resistor assembly) was assigned May 30, 1987 in the Federal Logistics Information System (FLIS). NIIN 012559891 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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, 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 not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 00487. [TWO OR MORE INDIVIDUAL FIXED, VARIABLE, THERMAL, OR ADJUSTABLE RESISTORS ON A COMMON MOUNTING OR MOUNTED ON EACH OTHER. THE RESISTORS MUST BE SEPARABLE AND EACH MUST BE CAPABLE OF FUNCTIONING IN ACCORDANCE WITH ITS APPLICABLE ITEM NAME. FOR VARIABLE RESISTORS MOUNTED IN TANDEM WITH A COMMON OR DUAL CONCENTRIC SHAFT, SEE RESISTOR, VARIABLE (AS MODIFIED) AND ATTENUATOR, VARIABLE. FOR INSEPARABLE RESISTORS PERMANENTLY CASED, SEALED OR POTTED TOGETHER TO FORM A MULTISECTION UNIT, SEE RESISTOR ASSORTMENT; RESISTOR SET, MATCHED; AND ITEMS WHICH HAVE WIRE LEADS TEMPORARILY TWISTED TOGETHER, OR ARE OTHERWISE PHYSICALLY ATTACHED SOLELY FOR CONVENIENCE IN HANDLING OR SHIPPING.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5905012559891 does not contain precious metals.
This information was last updated on Jul 01, 2025.