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Lock Washer Helical: Extra Duty

MS35340-75 carbon steel to MS35340-8 cres316

Helical spring lock washer dimensions per MIL-STD-1764 Section 506 — ID (min), OD (max), and section thickness for Regular (MS35338), Extra Duty (MS35340), and Hi-Collar (MS51848) series across bolt sizes #2 through 1-1/2 inch, in carbon steel (cadmium plate) and corrosion-resistant steel (CRES 302, 316, 420); supports bolt joint design, counterbore/clearance sizing, and military/aerospace fastener part selection

Mechanical Engineeringseries: Extra Duty9 rowsPage 6 of 6
seriesrecord idfinishid min in (in)materialms part numbernominal bolt designationnominal bolt size in (in)od max in (in)standardthickness in (in)
Extra DutyMS35340-75 carbon steelCadmium plate0.763Carbon SteelMS35340-753/40.751.271MIL-STD-1764 Section 5060.188
Extra DutyMS35340-75 cres302Passivate0.763CRES 302MS35340-753/40.751.271MIL-STD-1764 Section 5060.188
Extra DutyMS35340-75 cres316Passivate0.763CRES 316MS35340-753/40.751.271MIL-STD-1764 Section 5060.188
Extra DutyMS35340-87 carbon steelCadmium plate0.89Carbon SteelMS35340-877/80.8751.464MIL-STD-1764 Section 5060.219
Extra DutyMS35340-87 cres302Passivate0.89CRES 302MS35340-877/80.8751.464MIL-STD-1764 Section 5060.219
Extra DutyMS35340-87 cres316Passivate0.89CRES 316MS35340-877/80.8751.464MIL-STD-1764 Section 5060.219
Extra DutyMS35340-8 carbon steelCadmium plate0.168Carbon SteelMS35340-8#80.1640.322MIL-STD-1764 Section 5060.047
Extra DutyMS35340-8 cres302Passivate0.168CRES 302MS35340-8#80.1640.322MIL-STD-1764 Section 5060.047
Extra DutyMS35340-8 cres316Passivate0.168CRES 316MS35340-8#80.1640.322MIL-STD-1764 Section 5060.047

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