Military terminal Blocks are available in materials type GPT-30F per MIL-M-24519 and GDI30F per MIL-M-14, color gray, and are
Manufactured to the Military's newest specification A-A-59125
Or still can be manufactured to
Military Specifications MIL-T-55164
Military approvals (A-A-59125, or MIL-T-55164) are held by all Marco Terminal Blocks. Test made by our own laboratories and authoritative agencies for leakage, temperature rise of terminals, flashover, etc., show that Marco Blocks meet All Military Standards.

Also Available MS27212 AirCraft Terminal Blocks and MS27249 Turret Style Terminal Boards