The M85049/88-25N03 is a straight band lock adapter backshell designed for use with MIL-DTL-38999 Series III & IV, Connector Group L connectors. It is constructed from a combination of aluminum alloy and Ultem composite, providing a lightweight yet durable solution. This backshell features an electroless nickel (N) finish, which offers conductivity and operates over a temperature range of -65°C to +200°C. It accommodates an accessory shell size of 25 and has a cable entry size of 1.000 inch. The band lock mechanism provides a secure method for terminating EMI/RFI shielding, making it ideal for harsh environments in military and aerospace applications.