National Stock Number
5340-01-663-1553
National Stock Number (NSN) 5340-01-663-1553, or NIIN 016631553, (plug assembly,sealing) was assigned April 27, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 7 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 Sep 04, 2019. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5EK19V6651. The total value of the awarded contracts has been US$ 180.00.
There has been very little 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 Aug 28, 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) 62028. [AN ITEM CONSISTING OF A CYLINDRICAL PLUG WHICH MAY BE GROOVED AND A DRIVING ELEMENT SUCH AS A TAPERED DRIVE PIN, A BALL OR THE LIKE WHICH WIDENS THE PLUG. THE PLUG IS DESIGNED TO CLOSE A HOLE IN AN ITEM AND THUS PREVENT LIQUID FROM LEAKING OUT.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340016631553 does not contain precious metals.
This NSN is associated to Schedule B 8207400000: tools for tapping or threading, parts thereof, of base metal. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 333515: cutting tool and machine tool accessory manufacturing.
This information was last updated on Jul 01, 2025.