Plain Washers B

Inch

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Size Code Nominal Washer Size Type Type Code T Thickness A Inside Diameter B Outside Diameter
Basic MAX / MIN Basic + / - Basic + / -
#0 0 - .060 Narrow
Regular
Wide		 NAR
REG
WIDE		 .025
.025
.025		 .028 / .022
.028 / .022
.028 / .022		 .068
.068
.068		 .000 / .005
.000 / .005
.000 / .005		 .125
.188
.250		 .000 / .005
.000 / .005
.000 / .005
#1 1 - .073 Narrow
Regular
Wide		 NAR
REG
WIDE		 .025
.025
.032		 .028 / .022
.028 / .022
.036 / .028		 .084
.084
.084		 .000 / .005
.000 / .005
.000 / .005		 .156
.219
.281		 .000 / .005
.000 / .005
.000 / .005
#2 2 - .086 Narrow
Regular
Wide		 NAR
REG
WIDE		 .025
.032
.032		 .028 / .022
.036 / .028
.036 / .028		 .094
.094
.094		 .000 / .005
.000 / .005
.000 / .005		 .188
.250
.344		 .000 / .005
.000 / .005
.000 / .005
#3 3 - .099 Narrow
Regular
Wide		 NAR
REG
WIDE		 .025
.032
.040		 .028 / .022
.036 / .028
.045 / .036		 .109
.109
.109		 .000 / .005
.000 / .005
.008 / .005		 .219
.312
.406		 .000 / .005
.000 / .005
.008 / .005
#4 4 - .112 Narrow
Regular
Wide		 NAR
REG
WIDE		 .032
.040
.040		 .036 / .028
.045 / .036
.045 / .036		 .125
.125
.125		 .000 / .005
.008 / .005
.008 / .005		 .250
.375
.438		 .000 / .005
.008 / .005
.008 / .005
#5 5 - .125 Narrow
Regular
Wide		 NAR
REG
WIDE		 .032
.040
.040		 .036 / .028
.045 / .036
.045 / .036		 .141
.141
.141		 .000 / .005
.008 / .005
.008 / .005		 .281
.406
.500		 .000 / .005
.008 / .005
.008 / .005
#6 6 - .138 Narrow
Regular
Wide		 NAR
REG
WIDE		 .040
.040
.063		 .036 / .028
.045 / .036
.045 / .036		 .156
.156
.156		 .000 / .005
.008 / .005
.008 / .005		 .312
.438
.562		 .000 / .005
.008 / .005
.008 / .005
#8 8 - .164 Narrow
Regular
Wide		 NAR
REG
WIDE		 .040
.040
.063		 .045 / .036
.045 / .036
.071 / .056		 .188
.188
.188		 .008 / .005
.008 / .005
.008 / .005		 .375
.500
.625		 .008 / .005
.008 / .005
.015 / .005
#10 10 - .190 Narrow
Regular
Wide		 NAR
REG
WIDE		 .040
.063
.063		 .045 / .036
.045 / .036
.071 / .056		 .203
.203
.203		 .008 / .005
.008 / .005
.008 / .005		 .406
.562
.734		 .008 / .005
.008 / .005
.015 / .007
#12 12 - .216 Narrow
Regular
Wide		 NAR
REG
WIDE		 .063
.063
.063		 .045 / .036
.071 / .056
.071 / .056		 .234
.234
.234		 .008 / .005
.008 / .005
.008 / .005		 .438
.625
.875		 .008 / .005
.015 / .005
.015 / .007
1/4 1/4 - .250 Narrow
Regular
Wide		 NAR
REG
WIDE		 .063
.063
.063		 .071 / .056
.071 / .056
.071 / .056		 .281
.281
.281		 .015 / .005
.015 / .005
.015 / .005		 .500
.734
1.000		 .008 / .005
.015 / .007
.015 / .007
5/16 5/16 - .312 Narrow
Regular
Wide		 NAR
REG
WIDE		 .063
.063
.100		 .071 / .056
.071 / .056
.071 / .056		 .344
.344
.344		 .015 / .005
.015 / .005
.015 / .005		 .625
.875
1.125		 .015 / .005
.015 / .007
.015 / .007
3/8 3/8 - .375 Narrow
Regular
Wide		 NAR
REG
WIDE		 .063
.063
.100		 .071 / .056
.071 / .056
.112 / .090		 .406
.406
.406		 .015 / .005
.015 / .005
.015 / .005		 .734
1.000
1.250		 .015 / .007
.015 / .007
.030 / .007
7/16 7/16 - .438 Narrow
Regular
Wide		 NAR
REG
WIDE		 .063
.063
.063		 .071 / .056
.071 / .056
.112 / .090		 .469
.469
.469		 .015 / .005
.015 / .005
.015 / .005		 .875
1.125
1.469		 .015 / .007
.015 / .007
.030 / .007
1/2 1/2 - .500 Narrow
Regular
Wide		 NAR
REG
WIDE		 .063
.100
.100		 .071 / .056
.112 / .090
.112 / .090		 .531
.531
.531		 .015 / .005
.015 / .005
.015 / .005		 1.000
1.250
1.750		 .015 / .007
.030 / .007
.030 / .007
9/16 6/16 - .562 Narrow
Regular
Wide		 NAR
REG
WIDE		 .063
.100
.100		 .071 / .056
.112 / .090
.112 / .090		 .094
.094
.094		 .015 / .005
.015 / .005
.015 / .005		 1.125
1.469
2.000		 .015 / .007
.030 / .007
.030 / .007
5/8 5/8 - .625 Narrow
Regular
Wide		 NAR
REG
WIDE		 .100
.100
.160		 .112 / .090
.112 / .090
.174 / .146		 .656
.656
.656		 .030 / .007
.030 / .007
.030 / .007		 1.250
1.750
2.250		 .030 / .007
.030 / .007
.030 / .007
3/4 3/4 - .750 Narrow
Regular
Wide		 NAR
REG
WIDE		 .100
.100
.160		 .112 / .090
.112 / .090
.174 / .146		 .812
.812
.812		 .030 / .007
.030 / .007
.030 / .007		 1.375
2.000
2.500
 .030 / .007
.030 / .007
.030 / .007