National Stock Number
5985-01-281-1581
National Stock Number (NSN) 5985-01-281-1581, or NIIN 012811581, (seal,waveguide) was assigned June 17, 1988 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to 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) 02477. [AN ITEM OR ASSEMBLY DESIGNED TO BE FITTED INTO OR EXTERNAL TO THE END OF A WAVEGUIDE, IN ORDER TO PREVENT THE ENTRANCE OF MOISTURE OR OTHER FOREIGN MATTER, WITHOUT APPRECIABLY ATTENUATING RADIO FREQUENCIES. MAY OR MAY NOT BE PRESSURE PROOF.]. 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 5985012811581 does not contain precious metals.
This information was last updated on Aug 01, 2025.