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Amphenol AIT / MS Series (MIL-DTL-5015 Connectors)

Amphenol AIT / MS Series (MIL-DTL-5015 Connectors)

ENVIRONMENTALLY-SEALED FOR CHALLENGING ENVIRONMENTS

The Amphenol AIT / MS series is a cost-effective threaded circular MIL-DTL-5015 connector for use in harsh environments. These Amphenol connectors are sealed to withstand moisture, condensation, vibration and flash-over. Over 286 contact layouts are available, in variations that allow for just power, just signal, or a mix of both contact types. The Amphenol AIT / MS series is available in five mounting styles, nineteen shell sizes, and solder or crimp termination.

Get shopping! Part numbers begin with AIT.
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Amphenol

FEATURES

AMPHENOL AIT/MS SERIES FEATURES

  • Agency Approvals
    MIL-DTL-5015 (Formerly MIL-C-5015)

  • Broad Temperature Range
    These connectors will operate in temperatures ranging from -67°F to +257°F (-55°C to +125°C).

  • Environmental
    These connectors will perform in the full range of operating conditions as defined in MIL-DTL-5015 and are recommended for conditions where vibration, moisture, pressure and/or temperature are extreme.

  • Resilient Insulator and Grommet
    A resilient neoprene insulator and rear-seal grommet provide a liquid-tight assembly.

  • Rugged Shell
    The rugged aluminum alloy shell and hardware are light in weight yet highly resistant to damage and corrosion. Shells are available in five different styles and in 19 sizes.

  • Wide Range of Wire Gauges and Current Carrying Capacity
    Up to 150 amps for standard military contacts and up to 255 amps using Radsok® contacts. Wire gauges from 24 to size 0 AWG.

  • Wide Variety of Contacts
    Machined contacts with silver or gold plating are available in sizes from 16 through 0. Solder, Crimp, PC, and thermocouple contacts are available.

MATERIALS & FINISHES

AMPHENOL AIT/MS SERIES MATERIALS & FINISHES
Shell
Aluminum alloy
Shell Plating
Olive drab chromate coating over cadmium plating to QQ-P-416; black alloy, conductive black alloy, electroless nickel, anodized or green zinc
Contacts
Brass or copper alloy
Contact Plating
Silver plating to QQ-S-365 (solder contacts have tinned solder pot) gold plating to MIL-G-45204
Insulator
Resilient Neoprene®, Viton®*, low-smoke, zero-halogen (LSZH)

ELECTRICAL DATA

AMPHENOL AIT/MS SERIES ELECTRICAL DATA
Operating Voltage/Test Voltage




Nominal Distance (In.)


Operating Voltage*

Standard Sea Level Conditions

Pressure Altitude 50,000† Feet

Pressure Altitude 70,000† Feet

MS Service Rating

Airspace



Creepage



DC V



AC VRMS



Minimum Flashover Voltage AC (RMS)

Test Voltage AC (RMS)

Minimum Flashover Voltage AC (RMS)

Test Voltage AC (RMS)

Minimum Flashover Voltage AC (RMS)

Test Voltage AC (RMS)

I

1/32

1/16

250

200

1,400

1,000

550

400

325

260

A

1/16

1/8

700

500

2,800

2,000

800

600

450

360

D

1/8

3/16

1,250

900

3,600

2,800

900

675

500

400

E

3/16

1/4

1,750

1,250

4,500

3,500

1,000

750

550

440

B

1/4

5/16

2,450

1,750

5,700

4,500

1,100

825

600

480

C

5/16

1

4,200

3,000

8,500

7,000

1,300

975

700

560


* Each insulator has a specific service rating. These should be used by the designer only as a guide.

† Not corrected for change in density resulting from variations in temperature

MS connectors show no evidence of breakdown when the given test voltages are applied between the two closest contacts and between the shell and the contacts closest to the shell for a period of one minute, per MIL-STD-1344 Method 3001.


Current Rating & Contact Resistance


Contact Size


Test Current (Amps)


Potential Drop (Millivolts)

Contact Resistance
(Milliohm) Max.

16

13

49

6

12

23 (50*)

42

3

8

46 (69*)

26 (20*)

1 (0.44*)

4

80 (80*)

23 (18*)

0.5 (0.23*)

0

150 (225*)

21 (27*)

0.2 (0.18*)


* Using non-military crimp Radsok contact

Maximum total current to be carried per connector in wire bundles as specified in MIL-W-5088. Contact resistance when tested to MIL-C-39029 will not exceed voltage drops listed in above table.

Viton® is a registered trademark of Dupont Dow Elastomers


MECHANICAL

AMPHENOL AIT/MS SERIES MECHANICAL
Wire Range Sizes
24 to 0 AWG (crimp contacts)
Insulation Resistance
5000 megohms at 77°F (25°C) per MIL-DTL-5015, 3.18
Wire Sealing Range


Insulation Outside Diameter Limit

Contact Size

Wire Size
(MIL-W-5086)

Min.
In.

Min.
MM.

Max.
In.

Max.
MM.

16

16 thru 20

.064

1.63

.130

3.30

12

12 thru 14

.114

2.90

.170

4.32

8

8 thru 10

.164

4.17

.255

6.48

4

4 thru 6

.275

6.98

.370

9.40

0

0 thru 2

.415

10.54

.550

13.97



The connector is designed for individual wire sealing. Sealing of an outer cable jacket on multiconductor cables must be accomplished with an appropriate endbell. Sealing is only guaranteed if wires according to MIL-W-5086 or within the listed ranges are used.

Insulation Strip Lengths
Mating Life
100 cycles minimum, to MIL-DTL-5015, 3.16
Salt Spray
MIL-STD-1344 Method 1001 condition B minimum (cadmium), 48-hour, olive drab chromate over cadmium, non-conductive black alloy, conductive black alloy, green zinc, black anodized, electroless nickel
Heat
+257˚F (+125˚C) for 60 hours, +185˚F (+85˚C) for 1,000 hours per MIL-DTL-5015, 4.6.14, minimum
Chemical Resistance
20-hour full-immersion unmated in hydraulic fluid and lubricating oil per MIL-DTL-5015 minimum
Vibration
10 to 2,000Hz (10g's) 10 microseconds maximum discontinuity to MIL-STD-1344 Method 2005, condition II per MIL-DTL-5015
Shock
50g 11-millisecond duration, three major axes. 10 microseconds maximum discontinuity to MIL-DTL-5015 per MIL-STD-1344 method 2004, condition A, 3.13
Contact Type
Solder, crimp, PC, or thermocouple (hard silver or gold plating)
Number of Circuits
Contact Insertion
Solder, crimp, PC, or thermocouple (hard silver or gold plating)Insertion from rear with simple hand tool. Removable, five cycles minimum. (Solder, PC and coax outer housings are bonded into the insulator.)
Contact Retention
To MIL-DTL-5015, 4.6.6 & 3.26 and separation forces


Axial Load

Separation Force Minimum

Contact Size

Newtons

Lbs.

Newtons

Lbs.

16

44

10

1

0.25

12

67

15

2

0.50

8

89

20

3

0.75

4

89

20

4

1.00

0

111

25

9

2.00


Polarization
Integral key and keyway plus optional rotational polarization. Click here for valid rotations.
Approvals
MIL-DTL-5015


 
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