Get a Quote
HMS31 MIL-DTL-5015 type threaded plug and square-flange receptacle
Representative image

HMS31 Threaded Circular Connectors (MIL-DTL-5015 Type)

MIL-DTL-5015 type · threaded · contacts up to 150 A

HMS31 is our MIL-DTL-5015-type threaded circular connector for power and control circuits in rail, machine tools, industrial automation and electronics. Solder contacts from size 16 (13 A) to size 0 (150 A) and six service ratings up to 7000 V test voltage cover signal and power in one family.

Coupling
Threaded
Shell sizes
8S to 40
Current rating
13–150 A
Test voltage
Up to 7000 V
Temperature
−55 to +125 °C

Request a quoteRequest drawing

Key features

  • MIL-DTL-5015-type threaded coupling; vibration and shock resistant
  • Solder contacts from size 16 (13 A) to size 0 (150 A)
  • Six service ratings from Instrument to C (up to 7000 V test voltage)
  • Wall-mount, box-mount and in-line receptacles; straight and 90° plugs
  • Solid or split backshells; plastic or neoprene inserts
  • Five key positions: N, W, X, Y, Z

Specifications

Electrical
ParameterValueCondition
Test voltage1000–7000 VBy service rating — see service ratings
Insulation resistance≥ 5000 MΩ
Mechanical and environmental
ParameterValueCondition
CouplingThreaded
Durability≥ 500 mating cycles
Operating temperature−55 to +125 °C

MIL-DTL-5015 (type) — Shell sizes, insert arrangements and service ratings follow the MIL-DTL-5015 system.

Values not listed above — for example vibration level, leak rate or other environmental tests — can be tested to your requirements, including third-party testing. Specifications are subject to change; contact us for the current datasheet.

Service ratings

Each insert arrangement has a service rating that sets its working and test voltage.

Service ratingTest voltageWorking voltage DCWorking voltage AC
Instrument1000 V250 V200 V
A2000 V700 V500 V
D2800 V1250 V900 V
E3500 V1750 V1250 V
B4500 V2450 V1750 V
C7000 V4200 V3000 V

Versions

Series codeVersionNotes
3100Wall-mount square-flange receptacle
3101In-line (cable) receptacle
3102Box-mount square-flange receptacle
3106Straight plug
310890° plug
A / BSolid / split backshell
(none) / EPlastic / neoprene insert

Contact sizes and current ratings

Contact sizeEngaging diameterContact resistanceCurrent ratingContact retentionWire size
161.6 mm≤ 2.5 mΩ13 A35 N—
122.4 mm≤ 1.3 mΩ23 A55 N—
83.6 mm≤ 0.9 mΩ46 A80 N—
45.7 mm≤ 0.5 mΩ80 A90 N—
09.1 mm≤ 0.2 mΩ150 A95 N—

How to order

HMS [type] [backshell] [shell]-[arrangement] [contact] [key] [insert]

Example: HMS3106A20-27PW — Straight plug, solid backshell, shell 20, arrangement 20-27, pin contacts, key W

Code segmentOptions
Type
  • 3100 Wall-mount square-flange receptacle
  • 3101 In-line (cable) receptacle
  • 3102 Box-mount square-flange receptacle
  • 3106 Straight plug
  • 3108 90° plug
Backshell
  • A / B Solid / split (not for 3102)
Shell and arrangement
  • e.g. 20-27 MIL-DTL-5015 arrangement
Contact
  • P / S Pin / socket
Key
  • (none) W X Y Z Normal / alternate
Insert
  • (none) / E Plastic / neoprene

Tell us your MIL-DTL-5015 arrangement; the full layout list is supplied with the quotation.

Typical applications

  • Rail vehicle control circuits
  • Machine tools and CNC systems
  • Industrial automation and power distribution
  • Test and ground equipment

Frequently asked questions

Can HMS31 replace MS3106 or MS3102 connectors?

HMS31 follows the MIL-DTL-5015 system of shell sizes and insert arrangements. Send us your part number and we will propose the matching configuration and samples for your mating test.

Selection guides

From sample to production

  1. Send your requirement

    Part number, drawing, pin-out or a short description of your application.

  2. Configuration and quote

    Our engineers match the configuration and reply with a drawing and quotation.

  3. Samples

    Samples are made to your order. Third-party testing to your specification is available on request.

  4. Your approval

    You test the samples in your own equipment and approve them.

  5. Series production

    Production follows the approved sample configuration.

Need a quote or a drawing?

Send your part number, pin-out or drawing. An engineer will reply by email.

Request a quote

Related series