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| BS4183 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCFCSL12-0X025AB3T00NT | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
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| BS4183-TABLE 2 M12 X 25 | K7766 | BRITISH STANDARDS INSTITUTION |
| BS4183SMMCFCSL12-0X025AB3T00NT | K9090 | MINISTRY OF DEFENCE |