National Stock Number (NSN) 5330-00-440-1520, or NIIN 004401520, (sleeve,seal,coupler) was assigned January 12, 1968 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 7 contracts issued for this part number, with 8 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: SPE7L324P6925, SPE7L324P6925, SPE5EJ20P1039, SPE5EJ20P1039, SPE5EJ17CF072. The total value of the awarded contracts has been US$ 32,161.56.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 745. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 20780. [A CYLINDRICAL SHAPED ITEM CONSTRUCTED OF PLIABLE NONMETALLIC SOLID OR LAMINATED MATERIALS. IT IS DESIGNED TO FIT AROUND FLANGED OR BEADED END TUBING, DUCTS, PIPING, AND THE LIKE, TO FORM A TIGHT AND EFFECTIVE SEAL AGAINST GASES AND LIQUIDS; WHEN COMPRESSED WITH A CLAMP. FOR ITEMS USED TO CONVEY AIR UNDER LOW PRESSURE, SEE HOSE, AIR DUCT. EXCLUDES PACKING, PREFORMED; TUBING, NONMETALLIC; AND BUSHING, RUBBER.]. 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 5330004401520 contains an unknown precious metal.
This NSN is associated to Schedule B 4016930000: gaskets, washers and other seals, of vulcanized rubber other than hard rubber. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 339991: gasket, packing, and sealing device manufacturing.
This information was last updated on Aug 01, 2025.