Pin Configurations: Available in 9, 15, 21, 25, 31, 37, 51, and 66 pins to meet diverse circuit requirements.
Precision Design: Features a 1.91mm contact spacing and 1.65mm row spacing for maximum space efficiency.
Wire Compatibility: Supports a conductor cross-section range of 0.15mm² to 0.3mm².
Advanced Contact Tech: Utilizes Twist Pins for multi-point contact and superior resistance to vibration.
29A Series Micro-Rectangular Connector | Aerospace Grade | Guanitron
The J29A Series is a high-performance micro-rectangular electrical connector utilizing advanced twist pin (stranded elastic pin) technology. With a compact 1.91mm pitch, it is engineered for critical circuit connections in aerospace, aviation, and defense electronics.
Compliant with Q/DJ-004-2018 and Q/DJ-010-2018 standards, the J29A/M series ensures exceptional reliability under extreme vibration and shock, supporting 9 to 66-pin configurations for high-density integration.
Product Specification
Mechanical & Material
Electrical
Integrated Custom Wire Harness & Cable Assembly

Beyond premium connectors, Guanitron offers end-to-end custom wire harness assembly services. Our engineering team can pre-terminate your demands with high-spec shielded cables, ensuring optimal signal integrity and reduced installation time for your system.
Frequently Asked Questions
1. Lead Time & Availability
What is your typical lead time for orders? For standard stocked items, we usually ship within 2–5 business days. For custom configurations or large-scale production, lead times typically range from 6–8 weeks, depending on material availability and testing requirements.
Do you offer expedited shipping for urgent projects? Yes. We understand the critical nature of aerospace and defense projects. Please contact our sales team to discuss “Fast-Track” options for urgent requirements.
2. Minimum Order Quantity (MOQ)
We offer flexible MOQ policies. While production runs typically have a minimum, we provide sample orders for R&D and prototyping phases to ensure the product meets your exact specifications.
3. Customization & Engineering Support
Can you provide customized connector solutions? Absolutely. We specialize in OEM/ODM services. Whether you need specific pin configurations, specialized housing materials, or unique shell sizes, our engineering team can design a solution based on your technical drawings or requirements.
Do you offer custom wire harness assembly? Yes, we provide integrated services. We can supply not only the connectors but also complete, tested wire harness assemblies ready for installation in your system.
4. Quality & After-Sales Support
What certifications and standards do your products meet? Our connectors are manufactured to meet or exceed MIL-SPEC standards. We are ISO 9001 certified, and all products undergo 100% electrical and mechanical testing before shipment.
What is your warranty policy? We provide a 12-month quality warranty on all products. If any technical issues arise, our engineers will provide remote support or replacement solutions within 24–48 hours.
5. Logistics & Shipping
What shipping methods do you use for international orders? We primarily ship via DHL, FedEx, and UPS for fast, door-to-door delivery (3–5 days to the US/Europe). For bulk orders, we also offer air and sea freight options.
