National Stock Number
4730-01-730-5481
National Stock Number (NSN) 4730-01-730-5481, or NIIN 017305481, (fitting,lubricant pressure relie) was assigned June 3, 2025 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 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, 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.
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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730017305481 does not contain precious metals.
This information was last updated on Jul 01, 2025.