D38999/33M9N Specifications
Manufacturer: Glenair
Part Number: D38999/33M9N
NSN: 5935-01-447-8988
Product Type: Protective Connector Cap
Connector Series: MIL-DTL-38999 Series III
Shell Size: 9
Material: Aluminum Alloy
Finish: Electroless Nickel
Configuration: Threaded Coupling
Sealing Method: O-Ring Environmental Seal
Chain Attachment: Optional Provision
Environmental Protection: Moisture and Debris Protection
Compliance: MIL-DTL-38999 Qualified
Packaging: Factory
Key Features
The D38999/33M9N is a MIL-DTL-38999 Series III protective connector cap designed to safeguard unused circular connectors. It features a threaded coupling interface for secure attachment. Additionally, the integrated O-ring provides environmental sealing against moisture and contaminants. The electroless nickel finish enhances corrosion resistance in harsh operational environments. Because it meets MIL-spec performance requirements, it integrates directly into regulated aerospace and defense platforms. As a result, it protects connector contacts and maintains system readiness in field deployments.
Applications
Military aircraft avionics connectors
Ground vehicle communication ports
Naval radar interface protection
Aerospace instrumentation panels
Defense electronic subsystem covers
Environmental sealed connector assemblies
Maintenance and storage protection
High-reliability circular connector systems
Product Overview
The D38999/33M9N from Glenair delivers dependable environmental protection for circular interconnect systems. First, its threaded design ensures secure retention during vibration and transport. Furthermore, the O-ring sealing system prevents ingress of dust, moisture, and debris. Because it is constructed from corrosion-resistant aluminum with nickel plating, it provides long-term durability in demanding environments.
Moreover, compatibility with MIL-DTL-38999 Series III connectors allows seamless integration into aerospace and defense applications. In addition, the protective cap helps extend connector service life during storage or inactive periods. Therefore, it supports both operational readiness and preventive maintenance strategies. Overall, this protective cap offers rugged construction, environmental sealing, and reliable connector protection.
Contact Us
Cyndtek supplies new, factory-packaged Glenair MIL-spec interconnect accessories for aerospace, defense, and government procurement programs. If you require immediate availability or program-level pricing, contact our team directly. We support OEMs, contractors, and procurement professionals nationwide. For ordering details and current inventory, visit https://cyndtek.com/shop/.
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