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5/16 External Tooth Lock Washer, Plated

Selected External Tooth Lock Washer PlatedExternal Tooth Lock Washer, Plated
External Tooth Lock Washer PlatedExternal Tooth Lock Washer, Plated

Product Specification

Diameter
5/16
Grade
Grade 2, Carbon Steel
Inside Diameter
0.3200
Outside Diameter
0.5938
Thickness
0.0280
Material
Steel
Finish
Plated
Country of Origin
Unrestricted Origin
Weight
0.000970

Dimensional Specifications

External Tooth Lock Washer dimensions
Per ASME B18.21.1-2009
Size Nominal A B C
Inside
Diameter		 Outside
Diameter		 Mean Section
Thickness
Max Min Max Min Max Min
#3 0.0990 0.1090 0.1020 0.2350 0.2200 0.0160 0.0100
#4 0.1120 0.1230 0.1150 0.2600 0.2450 0.0180 0.0120
#5 0.1250 0.1360 0.1290 0.2850 0.2700 0.0200 0.0140
#6 0.1380 0.1500 0.1410 0.3200 0.3050 0.0220 0.0160
#8 0.1640 0.1760 0.1680 0.3810 0.3650 0.0230 0.0180
#10 0.1900 0.2040 0.1950 0.4100 0.3950 0.0240 0.0180
#12 0.2160 0.2310 0.2210 0.4750 0.4600 0.0270 0.0200
1/4 0.2500 0.2670 0.2560 0.5100 0.4940 0.0280 0.0230
5/16 0.3125 0.3320 0.3200 0.6100 0.5880 0.0340 0.0280
3/8 0.3750 0.3980 0.3840 0.6940 0.6700 0.0400 0.0320
7/16 0.4375 0.4640 0.4480 0.7600 0.7400 0.0400 0.0320
1/2 0.5000 0.5300 0.5130 0.9000 0.8800 0.0450 0.0370
9/16 0.5625 0.5960 0.5760 0.9850 0.9600 0.0450 0.0370
5/8 0.6250 0.6630 0.6410 1.0700 1.0450 0.0500 0.0420
3/4 0.7500 0.7950 0.7680 1.2600 1.2200 0.0550 0.0470
7/8 0.8750 0.9270 0.8970 1.4100 1.3800 0.0600 0.0520
1 1.0000 1.0600 1.0250 1.6200 1.5900 0.0670 0.0590
  1. All dimensions are in inches.

Governing Standards

ASME B18.21.1 Covers the dimensional requirements, physical properties, and related test methods for helical spring-lock washers (#0 through 3 inches), tooth-lock washers (#2 through 1 ¼ inches), and plain washers (#0 through 3 inches).