Souriau > Mil-DTL-38999 > series 2 (8T)
milc-38999-ser2-8t

MIL-C-38999 series 2 (8T)

Description

Compact profile, high density connectors for all military and aeronautical purposes.

Specifications

  • High density connector from 1 to 128 contacts
  • Sizes 22D, 20, 16, 12
  • Bayonet locking system
  • Compact Profile
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Standards

MIL-C 38999 Series II - QPL approved
NFC 93422 HE 309
VG 96912 series II
PAN 6433-1
BS 9522 N 003 

Mechanical Characteristics

  • Shell : aluminium alloy
  • Plating :
    • olive green cadmium (G and B)
    • nickel (F) - hard anodized (C)
  • Insulator : thermoplastic
  • Grommet and seal : silicone elastomer
  • Contact : copper alloy
  • Plating : gold over nickel
  • Endurance : 500 mating/unmating operations
  • Shock : 300 g during 3 ms
  • Vibration : random 100 to 1000 Hz - 1 g2/Hz
  • Contact retention (mini force in N) :
    size 22 D: 44 N
    size 20 : 67 N
    size 16: 110 N
    size 12 : 110 N

Electrical Characteristics

Test voltage (Vrms)

Service  Sea Level At 21000 m
M 1300 800
I 1800 1000
II 2300 1000
  • Contact resistance :
    resistance of wire included in measurement :
    • size 22D : 14.6 mΩ
    • size 16 : 3.8 mΩ
    • size 20 : 7.3 mΩ
  • Insulation resistance : ≥ 5000 MΩ (at 500 Vdc)
  • Contact rating :
    • size 22D : 5 A 
    • size 16 : 13 A 
    • size 20 : 7.5 A
    • size 12 : 23 A
  • Shell continuity :
    • olive green plating : 2.5 mΩ
    • nickel plating : 1 mΩ

Climatic Characteristics

  • Temperature range :
    • cadmium plating (G) : -65°C +175°C
    • (B) : -65°C +175°C
    • nickel plating (F) : -65°C +200°C
    • hard anodized (C) -65°C +200°C
  • Sealing : mated connectors
    • differential pressure 1 bar
    • leakage ≤ 8 cm3/hr
  • Salt spray to :
    MIL STD 1344 method 1001
    • 500 hours (plating B)
    • 48 hours (plating F-C)
  • NFC 93422
    • 48 hours (plating G-F-C)
  • Damp heat :
    MIL-C 38999 : 10 cycles (24 hrs)
    NFC 93422 : 56 days

Resistance to fluids

To MIL-C 38999 :

MIL. L 7808 - MIL. L 23699
- MIL. H 5606 - MIL. A 8243 - MIL. L 25769 -
MIL. G 3056 - MIL. T 5624 (JP5) - hydraulic
fluids - solvents
to NFC 93422 : F 46, F 54, 0/180, H 515,
H 542, XH 45.
  • MIL. L 7808
  • MIL. L 23699
  • MIL. H 5606
  • MIL. A 8243
  • MIL. L 25769 
  • MIL. G 3056
  • MIL. T 5624 (JP5) 
  • hydraulicfluids - solvents
  • to NFC 93422 : F 46, F 54, 0/180, H 515,H 542, XH 45.
 
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