National Stock Number
4730-01-253-9411
National Stock Number (NSN) 4730-01-253-9411, or NIIN 012539411, (fitting,lubricant pressure relief) has an unknown assigned date. NIIN 012539411 was cancelled on March 2, 1992, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730004758691. This NSN does not replace any other NSNs.
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) 20483. [A SPRING LOADED DEVICE DESIGNED TO RELIEVE EXCESSIVE OIL AND GREASE PRESSURE FROM GEAR BOX HOUSINGS AND SUCH ITEMS AS BEARINGS, KINGPINS AND UNIVERSAL JOINTS. EXCLUDES:FITTING, LUBRICATION.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730012539411 does not contain precious metals.
This information was last updated on Jul 01, 2025.