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The following pages recap standard circular military connector design features including illustrations of the individual design characteristics important to the accessory manufacturer when selecting or designing backshells.
Design Features:
- Threaded coupling design.
- Fifteen shell sizes--Range 8 thru 48 (.500" to 3.000" diameter).
- Wide variety of contact sizes, standard density; 1 to 100 contacts.
- Conductive finish--Cadmium/olive drab, 96 hour corrosion protection.
Notes:
- Contacts may mate prior to connector shell mating.
- Single keying may not always ensure shell polarizing.
- Uncontrolled accessory interface.
- Plug or receptacle may have pin or socket contacts.
- Connector shell may strike pin contacts, thus power should always be on socket contacts.
Design Features:
- Threaded coupling design, captive.
- Fifteen shell sizes--Range 8 thru 48 (.500" to 3.000" diameter).
- Wide variety of contact sizes, standard density; 1 to 100 contacts.
- Cadmium/olive drab conductive finish, 500 hour salt spray; electroless-nickel options.
Notes:
- Same interface features as MS3100 and MS3106; intermateable.
- Single keying may not always ensure shell polarizing.
Design Features:
- Bayonet coupling design, quick disconnect.
- Ten shell sizes--Range 6 thru 24 (.3750" to 1.500" diameter).
- 12, 16, and 20 gauge contacts, standard density, 3 to 61 contacts.
- Conductive and non-conductive finishes; cadmium/olive drab and anodic.
Notes:
- Contacts may mate prior to connector shell mating.
- Plug may have less than three threads.
Design Features:
- Bayonet coupling design, quick disconnect.
- Eight shell sizes--Range 8 thru 24 (.500" to 1.500" diameter).
- 12, 16, 20, and 22 gauge contacts, standard density, 3 to 61 contacts.
Notes:
- Contacts may mate prior to connector shell mating when grounding fingers not supplied.
- Same limitations as MS3110 and MS3116 solder type connectors.
- Uncontrolled wire seal grommet geometry; accessories properly mate.
Design Features:
- Bayonet coupling design, quick disconnect.
- 8 shell sizes-8 thru 24 (.500" to 1.500" dia)
- 12, 16, 20, and 22 gauge contacts, standard
density, 3 to 61 contacts.
Design Features:
- Threaded coupling design, rapid advance, captive.
- Nine shell sizes; Range: 11 through 33 (.500 to 2.000 diameter).
- 20 gauge contacts, high density, 7 to 155 contacts.
- Scoop proof shell design.
Design Features:
- Bayonet coupling design, quick disconnect.
- Eight shell sizes--Range 9 thru 25 (.500" to 1.500" diameter).
- 12, 16, 20, and 22 gauge contacts, standard density and 22 gauge high density arrangements; 3 to 128 contacts.
- Scoop-proof shell design to prevent shell to contact problem.
- Controlled accessory interface per MIL-C-38999, figure 11.
- Cork and bottle primary insert interface sealand shell environmental seal, fuel resistant silicone elastomers.
- Conductive and non-conductive finishes; electroless nickel, cadmium/olive drab 500 hour salt spray, and anodic.
Notes:
- Long barrel design to prevent shell strikingcontacts.
- Serrated accessory interlocking tooth design may prevent reliable moisture seal or EMI bond to accessories.
- Bayonet coupling may not perform under severe conditions with large diameter cable and backshell.
Design Features:
- Bayonet coupling design, quick disconnect, captive.
- Eight shell sizes; Range: 8 through 24 (.500" to 1.500" diameter).
- 16, 20, and 22 gauge contacts, standard density and 22 gauge high density arrangements; 3 to 128 contacts.
- Shell ground available on MS and commercial part numbers.
- Controlled accessory interface per MIL-C-38999 figure 11.
- Cork and bottle primary interface and shell environmental seals, fluid resistant silicone elastomers.
- Conductive and non-conductive finishes; electroless nickel, cadmium/olive drab, 500 hour salt spray, and anodic.
- Short barrel construction for minimum envelope.
Notes:
- Very short barrel, shell may strike pin contacts.
- Wire seal grommet controlled to maximum condition only, over compression will cause contact splaying.
- Same limitations as MIL-C-38999 Series I.
Design Features:
- Threaded coupling design, rapid advance, self-locking.
- Eight shell sizes; Range 9 thru 25 (.500" to 1.500" diameter).
- 12, 16, 20, and 22 gauge contacts, standard density and 22 gauge high density arrangements; 3 to 128 contacts.
- 16 gauge fiber-optic insert arrangement.
- Scoop-proof shell design to prevent shell to contact problem.
- Controlled accessory interface with metric threads.
- Diaphragm contact seal interface and shell environmental seal, fluid resistant fluorosilicone elastomers.
- Conductive and non-conductive finishes; cadmium/olive drab 500 hour salt spray, electroless nickel, anodic and stainless steel.
- Conductive composite shell, cadmium/olive drab over electroless nickel, and electroless nickel, 2000 hour salt spray.
Notes:
- Same barrel features as MIL-C-38999 Series 1, except metric threads.
- Ruggedized construction, 3 full metric thread minimum, for severe conditions.
Design Features:
- Breech lock coupling design, rapid advance, self-locking.
- Eight shell sizes; Range: 9 through 25 (.500" to 1.500" diameter).
- 12, 16, 20, and 22 gauge contacts, standard density and 22 gauge high density arrangements; 3 to 128 contacts.
- 16 gauge fiber-optic insert arrangements.
- Scoop proof shell design to prevent shell to contact problems.
- Controlled accessory interface with metric threads.
- Ruggedized construction for shipboard service.
- Cork and bottle primary interface and shell environmental seals, fluid resistant fluorosilicone elastomers.
- Conductive and non-conductive finishes; cadmium/olive drab 500 hour salt spray, electroless nickel, anodic, and stainless steel.
Notes:
- 100 percent scoop proof, positive shell mating.
- Same accessory interlock teeth as MIL-C-38999, Series III.
- Same o-ring seal features as MIL-C-38999, Series III.
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