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Lock Washer Helical: Regular

MS35338-12 carbon steel to MS35338-25 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: Regular10 rowsPage 2 of 7
seriesrecord idfinishid min in (in)materialms part numbernominal bolt designationnominal bolt size in (in)od max in (in)standardthickness in (in)
RegularMS35338-12 carbon steelCadmium plate0.221Carbon SteelMS35338-12#120.2160.377MIL-STD-1764 Section 5060.056
RegularMS35338-12 cres302Passivate0.221CRES 302MS35338-12#120.2160.377MIL-STD-1764 Section 5060.056
RegularMS35338-12 cres316Passivate0.221CRES 316MS35338-12#120.2160.377MIL-STD-1764 Section 5060.056
RegularMS35338-137 carbon steelCadmium plate1.398Carbon SteelMS35338-1371-3/81.3752.239MIL-STD-1764 Section 5060.344
RegularMS35338-137 cres302Passivate1.398CRES 302MS35338-1371-3/81.3752.239MIL-STD-1764 Section 5060.344
RegularMS35338-150 carbon steelCadmium plate1.525Carbon SteelMS35338-1501-1/21.52.43MIL-STD-1764 Section 5060.375
RegularMS35338-150 cres302Passivate1.525CRES 302MS35338-1501-1/21.52.43MIL-STD-1764 Section 5060.375
RegularMS35338-25 carbon steelCadmium plate0.255Carbon SteelMS35338-251/40.250.489MIL-STD-1764 Section 5060.062
RegularMS35338-25 cres302Passivate0.255CRES 302MS35338-251/40.250.489MIL-STD-1764 Section 5060.062
RegularMS35338-25 cres316Passivate0.255CRES 316MS35338-251/40.250.489MIL-STD-1764 Section 5060.062

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