National Stock Number
5330-01-699-3559
National Stock Number (NSN) 5330-01-699-3559, or NIIN 016993559, (seal,plain) was assigned January 25, 2022 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
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. 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.
This NSN is assigned to Item Name Code (INC) 04250. [A PLIABLE RUBBER OR COMPOSITION RING-SHAPED ELEMENT, SPLIT OR JOINTLESS (SOLID) NOT ENCASED IN A METAL SHELL, BUT HAVING A SPRING, SPREADER AND/OR MOLDED-IN REINFORCEMENT. IT IS DESIGNED TO BE PRESSMOUNTED BETWEEN FIXED AND MOVABLE OR MOVING PARTS TO FORM A TIGHT AND EFFECTIVE SEAL.]. Item has not been reviewed for Flight Safety Critical Aircraft Part (FSACP), Critical Safety Item (CSI), or Critical Application Item (CAI) purposes by an approved engineering authority. 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 5330016993559 does not contain precious metals.
This NSN is associated to Schedule B 3926904500: gaskets,washers & other seals. The Schedule B End Use is listed as other industrial supplies. NAICS classification category 339991: gasket, packing, and sealing device manufacturing.
This information was last updated on Aug 01, 2025.