National Stock Number
1560-99-051-3041
National Stock Number (NSN) 1560-99-051-3041, or NIIN 990513041, (insulation pipe covering,thermal,special purpose) has an unknown assigned date. 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 2 suppliers. Today, there are no suppliers 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, with the most recent procurement date of Mar 12, 2018. There have been 3 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A518F346N, SPRPA109G003X, SPRPA109G003X, N0038303G007A. The total value of the awarded contracts has been US$ 19,685.56.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 61649. [INC 61649 CANCELLED/REPLACED BY ,INC 51593, FIIG A016A0, APP-KEY B ,ON 060508 ~INC 61649 CANCELLED/REPLACED BY ,INC 51593, FIIG A016A0, APP-KEY B , ON 061995 AN ITEM COMPOSED OF ONE OR MORE MATERIALS, MOLDED, COMPRESSED, AND/OR BAKED INTO A RIGID COVERING OF IRREGULAR SHAPE AND/OR SIZE. IT IS DESIGNED TO COVER PIPES (AIRDUCTS) TO RESTRICT THE DISSIPATION OF HEAT. IT MAY COMPLETELY OR PARTIALLY ENCASE THE ITEM FOR WHICH DESIGNED. IT MAY BE FURNISHED WITH OR WITHOUT FILLERS, CEMENT, AND/OR SEPARATE OR ATTACHED ACCESSORIES FOR INSTALLATION. DO NOT USE IF A MORE SPECIFIC ITEM NAME APPLIES. SEE ALSO INSULATION SLEEVING, THERMAL.].
This information was last updated on Aug 11, 2025.