Spring Plunger, Thread Size 1/2"-13, Plunger Projection 0.1100 in, Hardened Steel/ DIAMETER: 0.490 INCHES NOMINAL END ITEM IDENTIFICATION: HOWITZER, LIGHT TOWED, 105MM, M119A1 USAGE DESIGN: WRENCH USED TO REMOVE BALL-NOSE AND ROUND-NOSE SPRING PLUNGERS DIAMETER ACROSS FLATS: 0.500 INCHES NOMINAL PART NAME ASSIGNED BY CONTROLLING AGENCY: SPRING PLUNGER WRENCH (SPRING PLUNGER TOOL, BALL NOSE AND ROUND NOSE) SPECIAL FEATURES: FOR THREAD SIZE .500-13 M12 2A SHAPE: ROUND