National Stock Number
4920-00-451-1856
National Stock Number (NSN) 4920-00-451-1856, or NIIN 004511856, (power supply) was assigned May 12, 1971 in the Federal Logistics Information System (FLIS). NIIN 004511856 was cancelled on October 26, 2004, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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, one supplier is 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.
This NSN is assigned to Item Name Code (INC) 00740. [A COMPONENT WHICH CONVERTS AVAILABLE ALTERNATING CURRENT OR DIRECT CURRENT ELECTRICAL POWER INTO A FORM REQUIRED TO OPERATE ANOTHER COMPONENT OR SET. THE ITEM MAY CONSIST OF A COMBINATION OF AN INVERTOR,VIBRATOR; VIBRATOR,INTERRUPTER; VIBRATOR,SELF-RECTIFYING; INVERTOR,POWER,STATIC WITH A TRANSFORMER AND RECTIFIES EMPLOYING ELECTRON TUBES, SEMICONDUCTOR DIODE OR METALLIC (DRY DISC) TYPE COMPONENTS, OR THE SYNCHRONIZED SECONDARY CONTACTS OF A VIBRATOR,SELF-RECTIFYING OR MAY CONSIST OF ELECTRON TUBES, SEMICONDUCTOR DIODE OR METALLIC (DRY DISC) TYPE RECTIFIERS AND CAPACITORS IN TRANSFORMERLESS (ALTERNATING CURRENT-DIRECT CURRENT TYPE) CIRCUITS WHICH MAY BE OF THE VOLTAGE-MULTIPLIER TYPE. THE ITEM MAY INCORPORATE A FILTER,DIRECT CURRENT POWER AND PROVISIONS FOR REGULATION OF INPUT AND/OR OUTPUT VOLTAGE. THE ITEM MAY HAVE SPECIAL INPUT, OUTPUT, CONTROL OR OTHER FACILITIES FOR APPLICATIONS IN SPECIALIZED ENVIRONMENTS SUCH AS MEDICAL, DENTAL OR OTHER OPERATIONS. EXCLUDES BATTERY CHARGERS AND ROTATING MACHINERY TYPES OF ITEMS, SUCH AS MOTOR GENERATORS AND ENERATORS AND DYNAMOTORS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4920004511856 contains an unknown precious metal.
This information was last updated on Dec 01, 2024.