National Stock Number (NSN) 5330-00-527-7851, or NIIN 005277851, (sleeve,seal,coupler) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730005612724.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jun 28, 2016. 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: SPE5EM16M1418, SPE5EM16M1418. The total value of the awarded contracts has been US$ 4,444.44.
This NSN is unique to one weapons system.
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 Apr 25, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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 5330005277851 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 Jul 01, 2025.