Insulated Flat Washers Insulated flat washer for headset. microphone jacks. P/N 04-00975 1/32" x 5/8" OD x 3/8" ID Insulated Shoulder Washers Insulated shoulder washer for headset/ microphone jacks. P/N 04-00976 .032/.032 x 5/8" OD x .387 ID x .437 ID/step |