J29A-37zkl D Type Backshell Connectors for Reliable Connections

J29A-37ZKL Circular Connector, J29A Series (GJB)

The J29A-37ZKL is a circular electrical connector designed for aerospace, avionics, and industrial platforms. It conforms to J29A (GJB) series requirements. Note: J29A is a distinct standard, separate from MIL-DTL-26482 Series 1 (MS3106), MIL-DTL-26482 Series 2 (62GB), MIL-DTL-38999 / GJB599, MIL-DTL-27473 (MS27473), MIL-DTL-27484 (MS27484), MIL-DTL-27497 (MS27497), MIL-DTL-27508 (MS27508), JY27466 (GJB), JY3470 (GJB), J30J series (GJB), J36B series (GJB), 8D series, Y50 series, YLH series, ZH8525 series, YH3116 series, YW1 series, and SMA RF coaxial connectors, and is not directly form-fit-function interchangeable with any of those connectors unless confirmed by the supplier.

This connector features configuration 37 (shell size/insert arrangement — confirm exact meaning with supplier), "ZKL" style code (connector type/design variant — confirm exact meaning with supplier), and contact gender/keying not explicitly designated in the part number (confirm with supplier). The design supports EMI shielding, threaded coupling, and removable crimp contacts.

Product Features

• Conformant to J29A (GJB) circular connector standard
• NOT directly interchangeable with MIL-DTL-26482 Series 1 (MS3106), MIL-DTL-26482 Series 2 (62GB), MIL-DTL-38999 / GJB599 Series III, MIL-DTL-27473 (MS27473), MIL-DTL-27484 (MS27484), MIL-DTL-27497 (MS27497), MIL-DTL-27508 (MS27508), JY27466 (GJB), JY3470 (GJB), J30J series (GJB), J36B series (GJB), 8D series, Y50 series, YLH series, ZH8525 series, YH3116 series, YW1 series, or SMA RF coaxial connectors unless confirmed by supplier
• "ZKL" style code — confirm exact connector type/design variant meaning with supplier
• Configuration 37 — confirm exact shell size and insert arrangement meaning with supplier
• Contact gender and keying not explicitly designated in part number — confirm with supplier
• EMI shielded (conductive shell), threaded coupling, crimp removable contacts

Technical Specifications - J29A-37ZKL

Part Number Breakdown

Related options: J29A mating connector with opposite contact gender (confirm exact part number with supplier); alternative configurations may be available — confirm with supplier. Important: The "ZKL" style code, configuration 37 meaning, insert arrangement, contact gender, and keying require supplier confirmation. J29A, J30J, J36B, JY3470, MIL-DTL-27484, MIL-DTL-27473, MIL-DTL-26482 Series 2 (62GB), MIL-DTL-26482 Series 1 (MS3106), YW1 series, SMA RF coaxial, YH3116 series, ZH8525 series, YLH series, Y50 series, 8D series, JY27466 (GJB), MS27497 (MIL-DTL-27497), MS27508 (MIL-DTL-27508), and D38999/J599 (MIL-DTL-38999/GJB599) are separate standards/series and are NOT form-fit-function interchangeable unless confirmed by supplier.

Compatible Applications

The J29A-37ZKL connector is intended for platforms that require J29A (GJB) compliant interconnects. Typical use cases include:

• Aircraft and helicopter wiring harness interconnects (J29A GJB standard)
• Avionics LRUs, radar, and communication equipment
• Ground vehicles and rugged electronic enclosures
• Shipboard and industrial equipment requiring circular connectors
• Programs that standardize on J29A (GJB) interfaces

Selection Guide

Installation Notes

• Verify configuration 37, "ZKL" style code, contact gender, and keying before mating. Confirm the configuration 37 meaning, "ZKL" style code meaning, insert arrangement, contact gender, and keying with supplier.
• Use the correct crimp tooling for the contact type specified by configuration 37 (confirm contact size with supplier).
• Fully engage the threaded coupling with the mating J29A connector until securely seated.
• Mate only with J29A (GJB) connectors of the same configuration 37, "ZKL" style, and opposite contact gender.
• Do NOT attempt to mate with MIL-DTL-26482 Series 1 (MS3106), MIL-DTL-26482 Series 2 (62GB), MIL-DTL-27473, MIL-DTL-27484, D38999/J599 Series III, MS27497, MS27508, JY27466, JY3470, J30J, J36B, 8D, Y50, YLH, ZH8525, YH3116, YW1 series, or SMA RF coaxial connectors — J29A is a different standard and is not interchangeable unless confirmed by supplier.

Why Choose J29A-37ZKL

J29A (GJB) Compliance

Choosing J29A-37ZKL ensures compliance with J29A (GJB) requirements for programs that mandate this specific standard. The connector geometry supports reliable interconnect for aerospace and industrial systems. Note: this connector is NOT a direct replacement for MIL-DTL-26482 Series 1 (MS3106), MIL-DTL-26482 Series 2 (62GB), MIL-DTL-27473, MIL-DTL-27484, D38999/J599 Series III, MS27497, MS27508, JY27466, JY3470, J30J, J36B, 8D, Y50, YLH, ZH8525, YH3116, YW1 series, or SMA RF coaxial parts. Confirm the configuration 37 meaning, "ZKL" style code meaning, insert arrangement, contact gender, keying, and exact specifications with supplier.

Ordering Information

Order by the designation J29A-37ZKL. When requesting a quote, please confirm mating connector part number (opposite contact gender), shell finish, contact plating, configuration 37 meaning, "ZKL" style code meaning, insert arrangement, contact gender, keying, and required quantity.