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903186-xx Dataheets PDF



Part Number 903186-xx
Manufacturers Accurate Screw Machine
Logo Accurate Screw Machine
Description (903xxx-xx) Lock Washers
Datasheet 903186-xx Datasheet903186-xx Datasheet (PDF)

1-888-208-2008 www.DataSheet4U.com Fax (973) 244-9177 www.accuratescrew.com SCREWS LOCK WASHERS Internal Tooth Lock Washers ORDER EXAMPLE: 903133 - S - 32 Basic Part Number Material: See chart Finish: See page 278 STANDARD S Spring Steel HRC 42-47 SS Stainless Steel, Type 304 B Phosphorus Bronze conforming to ASM B159 Copper Alloy No. 510 Basic Part Number 903133 903135 903137 903139 903141 903143 903145 903147 903149 Normal Washer Size 2 4 6 8 10 1/4 5/16 3/8 7/16 A OD Min .175 .255 .275 .325.

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1-888-208-2008 www.DataSheet4U.com Fax (973) 244-9177 www.accuratescrew.com SCREWS LOCK WASHERS Internal Tooth Lock Washers ORDER EXAMPLE: 903133 - S - 32 Basic Part Number Material: See chart Finish: See page 278 STANDARD S Spring Steel HRC 42-47 SS Stainless Steel, Type 304 B Phosphorus Bronze conforming to ASM B159 Copper Alloy No. 510 Basic Part Number 903133 903135 903137 903139 903141 903143 903145 903147 903149 Normal Washer Size 2 4 6 8 10 1/4 5/16 3/8 7/16 A OD Min .175 .255 .275 .325 .365 .460 .594 .670 .740 Max .200 .270 .295 .340 .381 .478 .610 .694 .789 Min .089 .115 .141 .168 .195 .256 .320 .384 .448 American Standard Available Material (see page 276) METRIC Metric Available Material (see page 276) S SS Basic Part Number 903180 903181 903183 903184 903185 903186 903187 Normal Washer Size M2 M2.5 M3 M3.5 M4 M5 M6 Spring Steel HRC 42-47 Stainless Steel, Type 304 A OD Min 4.40 5.35 6.85 7.55 8.25 10.00 12.20 Max 4.70 5.45 7.35 8.05 8.75 10.50 12.95 Min 2.25 2.65 3.15 3.65 4.15 5.15 6.20 B ID Max 2.40 2.80 3.30 3.80 4.30 5.30 6.50 C Thickness Min Max .25 .35 .25 .35 .35 .50 .40 .55 .45 .60 .55 .70 .55 .70 B ID Max .095 .123 .150 .176 .204 .267 .332 .398 .464 C Thickness Min Max .010 .015 .015 .019 .017 .021 .018 .023 .020 .025 .023 .028 .028 .034 .032 .040 .032 .040 STANDARD S Spring Steel HRC 42-47 SS Stainless Steel, Type 304 B Phosphorus Bronze conforming to ASM B159 Copper Alloy No. 510 Basic Part Number Not Avail. 903132 903134 903136 903138 903140 903142 903144 903146 903148 Normal Washer Size 2 4 6 8 10 12 1/4 5/16 3/8 7/16 A OD Min – .245 .305 .365 .395 .460 .494 .588 .670 .740 Max – .260 .320 .381 .410 .475 .510 .610 .694 .760 Min – .115 .141 .168 .195 .221 .256 .320 .384 .448 External Tooth Lock Washers METRIC Metric Available Material (see page 276) B ID Max – .123 .150 .176 .204 .231 .267 .332 .398 .464 C Thickness Min Max – – .015 .019 .016 .022 .018 .023 .020 .025 .023 .028 .023 .028 .028 .034 .032 .040 .032 .040 S SS Basic Part Number 903188 903189 903190 903191 903192 903193 903194 Spring Steel HRC 42-47 Stainless Steel, Type 304 B ID Min 2.25 2.65 3.15 3.65 4.15 5.15 6.20 Max 2.40 2.80 3.30 3.80 4.30 5.30 6.50 C Thickness Min Max .25 .35 .25 .35 .35 .50 .40 .55 .45 .60 .50 .65 .55 .70 American Standard Available Material (see page 276) Normal A Washer OD Size Min Max M2 – – M2.5 5.45 5.85 M3 6.85 7.35 M3.5 7.55 8.05 M4 8.50 9.00 M5 10.00 10.50 M6 12.20 12.95 STANDARD S Steel (1008) SS Stainless Steel (18-8) B Silicone Bronze conforming to ASM B99 Copper Alloy 651 or 655 Basic Part Number 903150 903152 903154 903156 903158 903160 903162 903164 903166 903168 903170 Normal Washer Size 2 4 5 6 8 10 12 1/4 5/16 3/8 7/16 A OD Max2 .172 .209 .236 .250 .293 .334 .377 .489 .586 .683 .779 B ID Min .088 .115 .128 .141 .168 .194 .221 .255 .318 .382 .446 Max .094 .121 .134 .148 .175 .202 .229 .263 .328 .393 .459 Split Lock Washers American Standard Available Material (see page 276) METRIC Metric Available Material (see page 276) W C Washer Section Width* Thickness Approx. S SS Basic Part Number 903195 903196 903197 903198 903199 903200 903201 Screw Dia M2 M2.5 M3 M3.5 M4 M5 M6 Spring Steel HRC 44-51 Stainless Steel, Type 304 or 316 A OD 4.4 5.1 6.2 6.7 7.6 9.2 11.8 B ID 2.1 2.6 3.1 3.6 4.1 5.1 6.1 C Thickness .5 .6 .8 .8 .9 1.2 1.6 .035 .040 .047 .047 .055 .062 .070 .109 .125 .141 .156 .020 .025 .031 .031 .040 .047 .056 .062 .078 .094 .109 *American Standard washer width is approximate. 157 SCREWS .


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