{"product_id":"industrial-2920-01-249-3492-neutral-safety-switch","title":"Industrial 2920-01-249-3492 Neutral Safety Switch","description":"\u003cdiv\u003e\u003cp\u003eThe Industrial 2920-01-249-3492 Neutral Safety Switch is an electromechanical transmission position sensor and starter interlock designed for AM General M998 HMMWV (Humvee) automatic transmissions. Mounted in the transmission assembly, it ensures the engine can only crank when the gear position is safe, preventing unintended vehicle movement during startup by providing a discrete ON\/OFF electrical signal to the starting and transmission control circuits. This NSN 2920-01-249-3492 unit corresponds to Manufacturer Part Number 12338434 with an alternate part number 5597263 and is used in military vehicle electrical systems across on-road and off-road Humvee platforms. It is commonly installed as a replacement safety component in HMMWV maintenance and drivetrain work, supporting reliable starter interlock functionality in military transport and utility applications. Compatible equipment includes the M998 series vehicles, and the switch is specifically categorized as a transmission safety switch, functioning as a position sensor and starter interlock within the vehicle’s electrical network. Common replacements reference AM General 12338434 Neutral Safety Switch and HMMWV NSN 2920-01-249-3492 Switch Assembly for Military Surplus transmissions.\u003c\/p\u003e\u003c\/div\u003e","brand":null,"offers":[{"title":"New","offer_id":46252633719018,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-006.png?v=1788727428","url":"https:\/\/gtghardware.com\/products\/industrial-2920-01-249-3492-neutral-safety-switch","provider":"GTG Hardware","version":"1.0","type":"link"}