National Stock Number
4910-01-118-6175
National Stock Number (NSN) 4910-01-118-6175, or NIIN 011186175, (adapter,cylinder compression tes) was assigned September 6, 1981 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 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 5 years.
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 Sep 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 4910011186175 does not contain precious metals.
This information was last updated on Jun 01, 2025.