National Stock Number
4910-01-340-3633
National Stock Number (NSN) 4910-01-340-3633, or NIIN 013403633, (adapter,cylinder compression tes) was assigned June 11, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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.
This NSN is assigned to Item Name Code (INC) 21837. [AN ITEM USED TO ADAPT THE STEM OF A TESTER, CYLINDER COMPRESSION TO VARIOUS SIZE AUTOMOTIVE SPARK PLUG PORTS. IT MAY BE A THREADED TYPE TO FIT A DESIGNATED SPARK PLUG PORT OR A UNIVERSAL TYPE DESIGNED TO ACCOMMODATE A RANGE OF SIZES. IT MAY BE FASTENED TO THE TESTER STEM BY MEANS OF A QUICK CHANGE OR THREADED CONNECTOR.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4910013403633 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.