National Stock Number
4930-00-166-4253
National Stock Number (NSN) 4930-00-166-4253, or NIIN 001664253, (filter-regulator,airline) was assigned November 19, 1971 in the Federal Logistics Information System (FLIS). NIIN 001664253 was cancelled on December 2, 1999, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4930010504034. This NSN replaces 1 stock number, 4330000085306.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 51134. [A DEVICE CONSISTING OF A PNEUMATIC FILTER AND A PRESSURE REGULATING VALVE USUALLY ASSEMBLED AS AN INTEGRAL UNIT. THE ITEM IS DESIGNED TO REMOVE FOREIGN MATTER FROM THE COMPRESSED AIR LINE AND REGULATE THE AIR FLOW, THUS PROTECTING THE AIR OPERATED EQUIPMENT FOR WHICH IT IS DESIGNED.]. 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 4930001664253 does not contain precious metals.
This information was last updated on Jul 01, 2025.