A-SUB-SR-090B is a strain relief backshell component designed for D-SUB connector applications. The product is manufactured from PBT with 30% glass fiber reinforcement, meeting UL94 V-0 flammability standards, and is available in black color. Key dimensional specifications include a maximum burr tolerance of 0.10 mm on all pin holes and an ejection mark maximum of 0.05 mm that must remain below the product surface. The strain relief ratio is specified as ADF 38/100/FP, with dimensional tolerances of ±0.38 mm for single-decimal places and ±0.25 mm for double-decimal places. This component is RoHS compliant and is commonly used in industrial and commercial connector assemblies where cable strain relief and mechanical protection are required.