National Stock Number
4730-01-192-1581
National Stock Number (NSN) 4730-01-192-1581, or NIIN 011921581, (elbow,flange) was assigned October 17, 1984 in the Federal Logistics Information System (FLIS). NIIN 011921581 was cancelled on May 1, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 29664. [A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.142 RADIANS) FROM THE STRAIGHT FLOW. IT HAS FLANGE CONNECTIONS ON BOTH ENDS DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION, OR A COMPRESSION TYPE MOUNTING PAD. IT MAY HAVE SIDE AND/OR HEEL INLET(S).]. 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 4730011921581 does not contain precious metals.
This information was last updated on Aug 01, 2025.