
MIL-DTL-38999 Series II
Part number
MS 27513 T 18 C 35 P N
Basic series
Type of connector
27473 = Plug
27472 = Wall mounting square receptacle, front
27497 = Wall mounting square receptacle, rear
27513 = Box square receptacle, front
27508 = Box square receptacle, rear
27474 = Jam nut receptacle
27484 = Shielded plug
Shell
T = With thread and accessory
E = Without thread or accessory
Shell size
08, 10, 12, 14, 16, 18, 20, 22, 24
Finish
B = Olive green cadmium plating
C = Black anodized
E = Passivated stainless steel
F = Electroless nickel plating
Contact layout (See below)
Type of contact
P = Crimp pin
S = Crimp socket
PH = Solder pin
SH = Solder socket
PL = Long PCB pin
PC = Short PCB pin
SL = Long PCB socket
SC = Short PCB socket
Orientation
N = Normal
A, B, C, D = Alternative
Electrical
Contact resistance and current rating:
| Contact ID | Diameter (mm) | Resistance (mΩ) | Current (A) |
| 22D# | Φ 0.76 | ≤ 12 | 5.0 |
| 20# | Φ 1.00 | ≤ 5.0 | 7.5 |
| 16# | Φ 1.60 | ≤ 2.5 | 13.0 |
| 12# | Φ 2.40 | ≤ 1.5 | 23.0 |
EMI shielding:
100MHz~1GHz: minimum attenuation 85 dB
1GHz~10GHz: minimum attenuation 50 dB
Withstanding voltage (V):
| Service rating | M | I | II |
| Sea level | 1300 | 1800 | 2300 |
| 21000m | 800 | 1000 | 1000 |
Insulation resistance:
Normal ≥ 5000MΩ, damp heat ≥ 100MΩ
Electrical continuity between shells:
ClassE ≤ 5.0mΩ, ClassB ≤ 2.5mΩ, ClassF ≤ 1.0mΩ
Mechanical
Shell: Aluminum alloy, stainless steel or copper-alloy
Plating:
Class B : Olive green cadmium plating
Class C : Black anodized
Class E : Stainless steel passivated
Class F : Electroless nickel plating
Insulator: Thermo-set plastic
Grommet and seal: Silicon rubber
Contact: Copper alloy with gold plated,
Endurance: 500 cycles
Vibration: Random vibration: at frequency: 100 ~ 1000 Hz, density of power chart: 1 G 2 /Hz
Shock: at 3 ms half sinusoid, peak value of acceleration: 300 g
Environmental
Operating temperature:
Class B: -65 oC ~ +175oC
Class C, E, F : -65oC ~ +200oC
Salt spray: According to method from MIL-DTL-38999
Class F 48h
Class C 96h
Class B 500h
Class E 1000h
Relative humidity: 98 % at 40 oC
Operating height: ≤ 30480m
Contact layout






