2920-00-900-2923 (FEDSTD00143)
NSN 2920-00-900-2923 (NIIN 00-900-2923) is a sparkplug in Federal Supply Class 2920, Engine Electrical System Components, Nonaircraft — an item containing two or more electrodes across which an electric spark is discharged to ignite a fuel and air mixture. Manufacturer part number FEDSTD00143 (Federal Standards Promulgated By, CAGE 06542); also referenced as WS506 (Federal Specifications Promulgated); 4516352 (Agco Corp); 398, AG9 (Allied-Signal IncAutolite Div); B4ES (Ngk Spark Plugs USA Inc), plus 1 more in the reference table below.
Key specs: 130 psi minimum and 140 psi maximum mean effective pressure; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); unit of issue EA (each), $2.73 gov standard price; export Schedule B 8511.10.0000; ships at 0.14 lb / 0.0033 cu ft. Supersedes 2920-00-900-2967 (1983); related NSN 2920-00-900-2922.