MIL-DTL-38999 Series IV Connectors

MIL-DTL-38999 Series IV uses a quarter-turn breech coupling instead of a threaded coupling, which allows installation and removal in confined spaces where a full thread rotation is impossible. The shell remains scoop-proof and the contact system is the same rear-release crimp design used across the 38999 family.

Overview

Parts listed here cover the Series IV wall mount and jam nut receptacles and matching plugs, including the AS85049 backshell range that pairs with them.

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All 57 Models

Complete list of MIL-DTL-38999 Series IV Connectors — click any model for full specifications, pricing, and official manufacturer part numbers (MPN).

D38999/40 — MIL-DTL-38999 Series IV Wall Mount Receptacle — Breech Coupling D38999/40WB35PN — Series IV Wall Mount Receptacle · Shell 11 D38999/40WC35SN — Series IV Wall Mount Receptacle · Shell 13 D38999/40WD35PN — MIL-DTL-38999 Series IV Wall Mount Flange Receptacle, Shell D, 37 Contacts D38999/40WE35PN — Series IV Wall Mount Receptacle · Shell 17 D38999/40WF35PN — MIL-DTL-38999 Series IV Wall Mount Flange Receptacle, Shell F, 66 Contacts D38999/40WG41PN — Wall Mount Flange Receptacle, 41x #20 D38999/40WH21SN — Series IV Wall Mount Receptacle · Shell 23 D38999/40WJ61PN — Series IV Wall Mount Receptacle · Shell 25 D38999/41 — MIL-DTL-38999 Series IV Hermetic Box Mount Receptacle (Hermetic) D38999/41YB35PN — Series IV Hermetic Box Mount Receptacle · Shell 11 D38999/41YC35SN — Series IV Hermetic Box Mount Receptacle · Shell 13 D38999/42 — MIL-DTL-38999 Series IV Box Mount Receptacle — Breech Coupling D38999/42WB35SN — Series IV Box Mount Receptacle · Shell 11 D38999/42WD19PN — Series IV Box Mount Receptacle · Shell 15 D38999/42WE35PN — Box Mount Receptacle, 55 Contacts D38999/42WE35SN — MIL-DTL-38999 Series IV Box Mount Receptacle, Shell E, 55 Contacts D38999/42WJ61SN — Series IV Box Mount Receptacle · Shell 25 D38999/43 — MIL-DTL-38999 Series IV Hermetic Jam-Nut Receptacle (Hermetic) D38999/43YB35PN — Series IV Hermetic Jam-Nut Receptacle · Shell 11 D38999/43YE35SN — Series IV Hermetic Jam-Nut Receptacle · Shell 17 D38999/44 — MIL-DTL-38999 Series IV Jam Nut Receptacle — Breech Coupling D38999/44WB35PN — MIL-DTL-38999 Series IV Jam Nut Receptacle, Shell B, 13 Contacts D38999/44WF35PN — Series IV Jam Nut Receptacle · Shell 19 D38999/44WG41SN — Series IV Jam Nut Receptacle · Shell 21 D38999/44WH21SN — Jam Nut Receptacle, 21x #16 D38999/45 — MIL-DTL-38999 Series IV Hermetic Solder Mount Receptacle (Hermetic) D38999/45YB35PN — Series IV Hermetic Solder Mount Receptacle · Shell 11 D38999/45YD35PN — Series IV Hermetic Solder Mount Receptacle · Shell 15 D38999/46 — MIL-DTL-38999 Series IV Plug with EMI Ground Spring (e.g. D38999/46WJ30PN) D38999/46WC35SN — Series IV EMI Plug · Shell 13 D38999/46WD19SN — Series IV EMI Plug · Shell 15 D38999/46WE35PN — MIL-DTL-38999 Series IV Straight Plug, Shell E, 55 Contacts D38999/46WF35PN — Series IV EMI Plug · Shell 19 D38999/47WB35PN — Series IV Plug · Shell 11 D38999/47WD19PN — Series IV Plug · Shell 15 D38999/47WF35PN — Straight Plug, 66 Contacts D38999/47WF35SN — MIL-DTL-38999 Series IV Straight Plug, Shell F, 66 Contacts D38999/47WG41SN — Series IV Plug · Shell 21 D38999/47WJ61PN — Straight Plug, 61x #20 D38999/48 — MIL-DTL-38999 Series IV Hermetic Weld Mount Receptacle (Hermetic) D38999/48YB35PN — Series IV Hermetic Weld Mount Receptacle · Shell 11 D38999/48YH21PN — Series IV Hermetic Weld Mount Receptacle · Shell 23 D38999/40WB98PN — Series IV Wall Mount Flange Receptacle · Shell 11 D38999/40WC35PN — Series IV Wall Mount Flange Receptacle · Shell 13 D38999/42WC35PN — Series IV Box Mount Receptacle · Shell 13 D38999/44WC35PN — Series IV Jam Nut Mount Receptacle · Shell 13 D38999/46WD35SN — Series IV Plug, EMI Grounding Fingers · Shell 15 D38999/47WC35PN — Series IV Plug · Shell 13 D38999/49WB35PN — Series IV In-Line Receptacle · Shell 11 D38999/44WE35SN — Series IV Jam Nut Mount Receptacle · Shell 17 D38999/49WC35PN — Series IV In-Line Receptacle, Shell 13, 22×#22D D38999/42WC35SN — Series IV Box Mount Receptacle, Shell 13, 22×#22D D38999/42WD35PN — Series IV Box Mount Receptacle, Shell 15, 37×#22D D38999/44WC35SN — Series IV Jam Nut Receptacle, Shell 13, 22×#22DD38999/49WE99PC — Breach-Lok Receptacle, Shell 17 · MIL-DTL-38999 Series IV D38999/46WF32SN