Jam Nut Receptacle, 30 × #20 Pin (Male), Shell 18

Specifications

Part-Number Decode & Cross-Reference

Applications

• Bulkhead pass-throughs where no mounting flange may protrude into the enclosure
• Jam Nut Receptacle for a 30-way #20 harness run (insert 18-30)
• Ground-support, test-bench and vehicle wiring where the bayonet interface is already qualified
• Series II rear-release crimp repairs on legacy MIL-C-26482 harnesses
• Keyed mating pairs where position Y prevents cross-plugging of adjacent connectors

The MS3474L18-30PY is a 30-contact (pin) jam nut receptacle in the MIL-DTL-26482 Series II family, shell size 18, insert arrangement 18-30. A jam-nut body with a single bulkhead nut, mounted through a panel from the rear so no mounting flange protrudes into the enclosure. Series II keeps the three-point bayonet interface of the original 26482 but replaces solder cups with rear-release crimp contacts, so contacts are terminated and inspected on the bench before insertion. The electroless nickel (conductive, environmental) finish suits conductive, wear-resistant mating in an environmental shell. This variant carries alternate key position Y, which rotates the insert so it will only mate with a receptacle keyed to the same position — the standard way to keep two adjacent connectors from being cross-plugged.