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  • Dimensions are in inches.
  • Formerly designated Medium Helical Spring Lock Washers.
Standard Stock Material
  • Carbon Steel
  • Stainless Steel
  • Phosphorus Bronze
Lock Washers
Unit of Measure
Items Lock Washers
RHSLW0086XXX
Regular Helical Spring Lock Washer, 0.172" O.D.
Lock Washers
RHSLW0099XXX
Regular Helical Spring Lock Washer, 0.195" O.D.
Lock Washers
RHSLW00112XXX
Regular Helical Spring Lock Washer, 0.209" O.D.
Lock Washers
RHSLW00125XXX
Regular Helical Spring Lock Washer, 0.236" O.D.
Lock Washers
RHSLW00138XXX
Regular Helical Spring Lock Washer, 0.250" O.D.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Washers
Codes and Standards N/A ASME B18.21.1 1999
Unit of Measure N/A English
Nominal Washer Size N/A No. 2 N/A No. 3 N/A No. 4 N/A No. 5 N/A No. 6
Nominal Washer Size (Decimal) N/A 0.0860 in N/A 0.099 in N/A 0.1120 in N/A 0.1250 in N/A 0.1380 in
Max. Inside Diameter (A) N/A 0.094 in N/A 0.107 in N/A 0.120 in N/A 0.133 in N/A 0.148 in
Min. Inside Diameter (A) N/A 0.088 in N/A 0.101 in N/A 0.114 in N/A 0.127 in N/A 0.141 in
Max. Outside Diameter (B) N/A 0.172 in N/A 0.195 in N/A 0.209 in N/A 0.236 in N/A 0.250 in
Min. Mean Section Thickness (ti + to)/2 N/A 0.020 in N/A 0.025 in N/A 0.025 in N/A 0.031 in N/A 0.031 in
Min. Section Width (W) N/A 0.035 in N/A 0.040 in N/A 0.040 in N/A 0.047 in N/A 0.047 in
Min. Bearing Width (BW) N/A 0.024 in N/A 0.028 in N/A 0.028 in N/A 0.033 in N/A 0.033 in
Material N/A Carbon Steel Phosphorus Bronze Stainless Steel