MIL-DTL-38999 Series II
MIL-DTL-38999 Series II
Part Number Prefix: MS27472 thru MS27513
The 38999 specification defines families of shells that intermate to provide protection from vibration, shock, and moisture. Inside the connectors are inserts that can be configured for a wide variety of contacts arrangements. MIL-DTL-38999 connectors are used to attach cables to one another or to electronics boxes in a wide variety of applications, including vehicles, ships, planes, and handheld equipment. They are also used in many non-military rugged applications like transportation and rugged equipment markets.
Design Characteristics:
-Light weight, low profile design
-Fast positive coupling by three point bayonet system
-Rear release crimp contacts
-Durability: Minimum 250 mating cycles for RFI plug.
-Variety of receptacle shell styles and plating options
-Minimum 500 cycles for standard plug
Mil-Spec Callout References:
MS27472 Front, Wall Mount Receptacle
MS27473 Straight Plug
MS27474 Jam Nut Receptacle
MS27484 RFI Grounding Plug
MS27499 Front, Box Mount Receptacle
MS27500 Standard Plug w/ 90 Degree Backshell
MS27508 Rear, Box Mount Receptacle
MS27513 Front, Box Mount Receptacle
Materials
Shell & Material Plating:
Aluminum, olive drab cadmium
Aluminum, electroless nickel
Stainless steel, passivated
Insert: Thermoplastic and fluorinated silicone elastomer
EMI Spring Fingers: Nickel or cadmium-plated beryllium copper
O-Ring: Fluorinated silicone elastomer