MS25043-10DA is a receptacle dust cap designed to protect unmated AS50151 connectors by providing environmental protection and keeping impurities out of the termination area. This dust cap features an anodized black finish with non-conductive electrical properties and offers 500 hours of salt spray resistance per MIL-A8625 TYPE III specification. The accessory shell size 10 variant has a thread size of 0.625-24 UNEF and operates over a temperature range of -65°C to +200°C. Constructed from aluminum alloy, this QPL-approved dust cap is RoHS compliant and ideal for military and aerospace applications requiring reliable connector protection in harsh environments.