“U.S.N.”. Body Type: Extruded. Body Material: Brass. Body Size: 1 9/16″Wx 1 3/8″
“U.S.N.”. Body Type: Extruded. Body Material: Brass. Body Size: 1 9/16″Wx 1 3/8″H. Shackle Material: Brass. Shackle Size: 9/32″Dx7/8″H. Model No: 621. Key Type: Single Sided 5 Pins.