National Stock Number
4730-01-557-0316
National Stock Number (NSN) 4730-01-557-0316, or NIIN 015570316, (air drier and cooler,pipeline) was assigned October 11, 2007 in the Federal Logistics Information System (FLIS). NIIN 015570316 was cancelled on November 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4440015448888. This NSN does not replace any other NSNs.
There are 3 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been a small amount of 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) 11115. [A UNIT DESIGNED TO BE CONNECTED INTO AN AIR LINE TO REMOVE PARTICLES OF CONDENSED VAPOR, OIL, AND SEDIMENT AND TO COOL THE AIR. IT IS COMPOSED OF AN EXPELLER, AFTERCOOLER, AND DRAIN TRAP, AND OPERATES BY MEANS OF BAFFLES.]. 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 4730015570316 does not contain precious metals.
This information was last updated on Aug 01, 2025.