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Lock Washer Helical: Regular

MS35338-37 cres420 to MS35338-50 carbon steel

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: Regular10 rowsPage 4 of 7
seriesrecord idfinishid min in (in)materialms part numbernominal bolt designationnominal bolt size in (in)od max in (in)standardthickness in (in)
RegularMS35338-37 cres420Passivate0.382CRES 420MS35338-373/80.3750.683MIL-STD-1764 Section 5060.094
RegularMS35338-3 carbon steelCadmium plate0.107Carbon SteelMS35338-3#30.0990.195MIL-STD-1764 Section 5060.025
RegularMS35338-3 cres302Passivate0.107CRES 302MS35338-3#30.0990.195MIL-STD-1764 Section 5060.025
RegularMS35338-43 carbon steelCadmium plate0.446Carbon SteelMS35338-437/160.43750.779MIL-STD-1764 Section 5060.109
RegularMS35338-43 cres302Passivate0.446CRES 302MS35338-437/160.43750.779MIL-STD-1764 Section 5060.109
RegularMS35338-43 cres316Passivate0.446CRES 316MS35338-437/160.43750.779MIL-STD-1764 Section 5060.109
RegularMS35338-43 cres420Passivate0.446CRES 420MS35338-437/160.43750.779MIL-STD-1764 Section 5060.109
RegularMS35338-4 carbon steelCadmium plate0.118Carbon SteelMS35338-4#40.1120.209MIL-STD-1764 Section 5060.025
RegularMS35338-4 cres302Passivate0.118CRES 302MS35338-4#40.1120.209MIL-STD-1764 Section 5060.025
RegularMS35338-50 carbon steelCadmium plate0.509Carbon SteelMS35338-501/20.50.873MIL-STD-1764 Section 5060.125

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