National Stock Number
4820-01-190-5504
National Stock Number (NSN) 4820-01-190-5504, or NIIN 011905504, (bleeder valve,hydraulic system) was assigned September 27, 1984 in the Federal Logistics Information System (FLIS). NIIN 011905504 was cancelled on October 2, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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 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) 10262. [INC 10262 CANCELLED/REPLACED BY ,INC 37648, FIIG A046B0, APP-KEY AU ,ON 012712 ~(ALL EXCEPT USA) THIS PREVIOUSLY DELETED INC HAS BEEN REINSTATED FOR FILE MAINTENANCE ONLY.]. This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820011905504 does not contain precious metals.
This information was last updated on Aug 01, 2025.