National Stock Number
4730-00-490-2994
National Stock Number (NSN) 4730-00-490-2994, or NIIN 004902994, (coupling,tube) was assigned July 2, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730012300972.
There are 12 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 09, 2019. There have been 6 contracts issued for this part number, with 11 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M319P1776, SPE7M319P1776, SPE7M319P1776, SPE7M319P1776, SPE7M319P1776. The total value of the awarded contracts has been US$ 249,572.44.
This NSN is fairly common among different weapons systems, belonging to 16 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 01, 2019, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 06078. [A STRAIGHT FITTING 12 INCHES (304 MM) LONG OR UNDER HAVING THE SAME OR DIFFERENT TYPE OF CONNECTION OF THE SAME SIZE ON BOTH ENDS. IT IS DESIGNED TO JOIN A TUBE OR TUBE FITTING TO ANOTHER TUBE OR TUBE FITTING. EXCLUDES:FITTINGS WITH THREADED EXTERNAL CONNECTIONS ON BOTH ENDS. EXCLUDES:NIPPLE, PIPE.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730004902994 does not contain precious metals.
This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on May 01, 2025.