Description
Ribbed Lock Washer Type S M3-A2 (3185419) — BOLTON SKU 57178.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. BOLTON sources technical equipment and components for defence, aerospace, UAV/UAS, MRO and industrial programmes across the UAE, Saudi Arabia and Australia.
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Sequential codes in the 31854xx block separate the washer bore sizes, with 3185419 covering M3. Serrated washers of this pattern are fitted under the screw head on assemblies subject to shock or vibration.























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