ENVIRONMENTALLY SEALED FOR CHALLENGING ENVIRONMENTS
Amphenol AIT / MS connectors are cost-effective threaded circular SAE-AS50151 (MIL-DTL-5015) connectors for use in harsh environments. These Amphenol MS 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. Amphenol AIT / MS connectors are available in five mounting styles, nineteen shell sizes, and solder or crimp termination.
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 SAE-AS50151 (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 245 amps using Radsok® contacts. Wire gauges from 26 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
Shell
Aluminum alloy
Shell Plating
Olive drab chromate coating over cadmium plating to QQ-P-416; black alloy, electroless nickel, anodized, gray zinc nickel or green zinc
Contacts
Brass or copper alloy
Contact Plating
Silver plating to ASTM B700 (solder contacts have tinned solder pot) gold plating to ASTM B488
* 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
* 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
Wire Range Sizes
26 to 0 AWG
Insulation Resistance
5000 megohms at 77°F (25°C) per SAE-AS50151 (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 SAE-AS50151 (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, Gray Zinc Nickel 500 hours salt spray
Heat
+257˚F (+125˚C) for 60 hours, +185˚F (+85˚C) for 1,000 hours per SAE-AS50151 (MIL-DTL-5015), 4.6.14, minimum
Chemical Resistance
20-hour full-immersion unmated in hydraulic fluid and lubricating oil per SAE-AS50151 (MIL-DTL-5015) minimum
Vibration
10 to 2,000Hz (10g's) 10 microseconds maximum discontinuity to MIL-STD-1344 Method 2005, condition II per SAE-AS50151 (MIL-DTL-5015)
Shock
50g 11-millisecond duration, three major axes. 10 microseconds maximum discontinuity to SAE-AS50151 (MIL-DTL-5015) per MIL-STD-1344 method 2004, condition A, 3.13
Contact Type
Solder, crimp, PC, thermocouple (hard silver or gold plating) or first-mate last-break