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Lock Washer Helical: Regular

MS35338-25 cres420 to MS35338-37 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 3 of 7
seriesrecord idfinishid min in (in)materialms part numbernominal bolt designationnominal bolt size in (in)od max in (in)standardthickness in (in)
RegularMS35338-25 cres420Passivate0.255CRES 420MS35338-251/40.250.489MIL-STD-1764 Section 5060.062
RegularMS35338-2 carbon steelCadmium plate0.092Carbon SteelMS35338-2#20.0860.172MIL-STD-1764 Section 5060.02
RegularMS35338-2 cres302Passivate0.092CRES 302MS35338-2#20.0860.172MIL-STD-1764 Section 5060.02
RegularMS35338-31 carbon steelCadmium plate0.318Carbon SteelMS35338-315/160.31250.586MIL-STD-1764 Section 5060.078
RegularMS35338-31 cres302Passivate0.318CRES 302MS35338-315/160.31250.586MIL-STD-1764 Section 5060.078
RegularMS35338-31 cres316Passivate0.318CRES 316MS35338-315/160.31250.586MIL-STD-1764 Section 5060.078
RegularMS35338-31 cres420Passivate0.318CRES 420MS35338-315/160.31250.586MIL-STD-1764 Section 5060.078
RegularMS35338-37 carbon steelCadmium plate0.382Carbon SteelMS35338-373/80.3750.683MIL-STD-1764 Section 5060.094
RegularMS35338-37 cres302Passivate0.382CRES 302MS35338-373/80.3750.683MIL-STD-1764 Section 5060.094
RegularMS35338-37 cres316Passivate0.382CRES 316MS35338-373/80.3750.683MIL-STD-1764 Section 5060.094

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