Federal Supply Group (FSG): 44
FSG Name: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors
Federal Supply Class (FSC): 4430
FSC Name: Industrial Furnaces, Kilns, Lehrs, and Ovens
Part number MIL-O-83990 is manufactured by Military Specifications.
This part's location of final manufacture is the United States of America, which has a NATO country code designation of 01.
Reference Number Category Code (RNCC): 4
The RNCC code identifier of 4 is defined as: Non-definitive u.s. government specification or standard reference. any government specification or standard reference other tha
The RNCC is
Reference Number Variation Code (RNVC): 1
The RNVC code identifier of 1 is defined as: A design control reference or other reference number that does not identify an item of production without the use of additional
The RNVC is
Document Availability Code (DAC): 4
The DAC code identifier of 4 is defined as: The reference number is represented by technical documentation other than a drawing and the documentation was available to the r
The DAC is
Reference Number Action Activity Code (RNAAC): KE
The RNAAC code identifier of KE is defined as: Naval icp~~~~~~~~philadelphia, pa 191115098~
The RNAAC is
Precious Metals Indicator Code (PMIC): A
The PMIC code identifier of A is defined as: Item does not contain precious metal.
The PMIC is
Demilitarization Code (DEMIL_CODE): D
The DEMIL_CODE code identifier of D is defined as: Usml items - demil required. destroy item and components to prevent restoration or repair to a usable condition. (note 5).
The DEMIL_CODE is
Hazardous Materials Indicator Code (HMIC): N
The HMIC code identifier of N is defined as: There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
The HMIC is