National Stock Number
4730-01-310-7774
National Stock Number (NSN) 4730-01-310-7774, or NIIN 013107774, (coupling,pipe,slip joint) was assigned November 14, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20983. [A STRAIGHT FITTING HAVING EXTERNAL THREADS ON BOTH ENDS. EACH END IS EQUIPPED WITH AN INTERNALLY THREADED NUT HAVING AN UNTHREADED REDUCED SIZE OPENING WHICH CONTAINS A GASKET AND OTHER NECESSARY PARTS. IT IS DESIGNED TO JOIN AN UNTHREADED PIPE TO ANOTHER UNTHREADED PIPE IN A STRAIGHT LINE. IT FORMS A TIGHT FLUID SEAL BY THE COMPRESSION SLIP JOINT METHOD. IT MAY HAVE A PIPE STOP.]. 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 4730013107774 does not contain precious metals.
This information was last updated on Jul 01, 2025.