Pacific Scientific Belt and Buckle Assembly Half, PN 1107450-03. Rare Buckle Mechanism 1107261-07, See Pictures. Vintage Original Parts 1984, Model Number 1107442-03. 30″ Approximate Belt Extension Length (Shown 15″ Doubled Over). Great Original Replacement Parts, Previously Used. 2 Wide Brown Webbing, Includes Triangular Mounting Bracket 1101624-05.