National Stock Number
4931-01-285-7992
National Stock Number (NSN) 4931-01-285-7992, or NIIN 012857992, (electronic unit,laser ranging) was assigned September 21, 1988 in the Federal Logistics Information System (FLIS). NIIN 012857992 was cancelled on May 1, 2010, 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 is only one manufacturer part number 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 not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 32059. [A GROUP OF COMPONENTS IN A SINGLE UNIT DESIGNED TO BE USED WITH A CONTROL (2), COMMANDERS SIGHT AND RECEIVER-TRANSMITTER, LASER RANGING. IT CONTAINS ELECTRONIC CIRCUITRY THAT SERVES AS A PULSE FORMING NETWORK TO GENERATE AND CONTROL VOLTAGES FOR A FLASH TUBE (WHICH STIMULATES A RUBY ROD IN THE LASER CAVITY). IT ALSO CANTAINS RANGE COUNTERS (ELECTRONIC), RANGE STORAGE, AND PORTIONS OF THE BUILT-IN TEST CIRCUITRY (PERFORMS INTERNAL CHECKS TO SHOW THAT THE LASER, RANGE FINDER IS FUNCTIONING CORRECTLY). IN ADDITION, IT CONTAINS PROTECTIVE CIRCUITRY TO GUARD AGAINST SEVERE VOLTAGE CHANGES.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4931012857992 does not contain precious metals.
This information was last updated on Jul 01, 2025.