National Stock Number
4730-00-557-7761
National Stock Number (NSN) 4730-00-557-7761, or NIIN 005577761, (adapter,straight,flange to boss) was assigned October 15, 1969 in the Federal Logistics Information System (FLIS). NIIN 005577761 was cancelled on December 2, 2004, 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 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) 29653. [AN ADAPTER HAVING A FLANGE CONNECTION ON ONE END DESIGNED TO CONNECT WITH ANOTHER FLANGE CONNECTION OR A COMPRESSION TYPE MOUNTING PAD. THE OTHER END HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN A FLANGE OR FLANGE FITTING TO BOSS OR BOSS FITTING IN A STRAIGHT LINE ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE.]. This item does not have a critical feature 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 4730005577761 does not contain precious metals.
This information was last updated on Apr 01, 2024.