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Glenair D3899933C21R Receptacle Cover

The MIL-spec D38999/33C21R receptacle cover is a high-quality circular connection accessory designed for military-grade applications. Made from composite material with cadmium olive drab finish, it provides robust protection for connectors. Featuring a threaded style size 21, it fits shell sizes 9 through 25 with precise dimensions to ensure secure attachment and protection in harsh environments. Suitable for a wide range of aerospace, defense, and industrial systems, this cover guarantees durability and reliability for critical connections.

Authorized Distributors
Source:Newark
Part No:D38999/33C21R
Stock:54
Inv Date:06-06-2026
Price: Unit price: $315.6
Buy/RFQ:
Source:DigiKey
Part No:D38999/33C21R
Stock:94
Inv Date:06-06-2026
Price: Unit price: $785.45
Buy/RFQ:
Source:DigiKey
Part No:D38999/33C21R
Stock:41
Inv Date:06-06-2026
Price: Unit price: $103.81
Buy/RFQ:
Part No:D38999/33C21R
Stock:0
Inv Date:06-07-2026
Price: Unit price: $262.67
Buy/RFQ:
Part No:D38999/33C21R
Stock:2
Inv Date:06-06-2026
Price: Unit price: $285.28
Buy/RFQ:

Glenair D3899933C21R Receptacle Cover Specifications:

  • Material: Composite, Cadmium Olive Drab finish
  • Shell Size: 9 to 25
  • Thread Style: Size 21 with 0.1P-0.3L-TS thread
  • Maximum Diameter: 1.535 inches (39.0 mm)
  • Minimum Diameter: 1.142 inches (29.0 mm)
  • Dimensions vary by shell size, with precise thread fit for secure attachment.
  • Designed for military-grade connections, compliant with MIL-DTL-38999 standards.
  • Receptacle cover features robust construction suitable for aerospace, defense, and industrial applications.
  • Dimensions for shell sizes include 1.811 inches (46.0 mm) to 1.969 inches (50.0 mm) in diameter depending on model.
  • Corrosion-resistant coating ensures longevity in harsh environments.

Buy the Buy Glenair MIL-DTL-38999 Receptacle Cover Part Number D3899933C21R Online

Secure your military-grade connectors with the Glenair Receptacle Cover designed to meet MIL-DTL-38999 standards. Crafted from durable composite with a cadmium olive drab finish, it offers superior protection in harsh environments. Featuring precise thread dimensions and various shell sizes from 9 to 25, this cover ensures a secure fit and reliable performance in aerospace, defense, and industrial applications. Easy to install and corrosion-resistant, the Glenair receptacle cover provides lasting durability and peace of mind for critical connections, making it a vital component for your high-reliability systems.

Get Glenair D3899933C21R today—built for military-grade protection and long-lasting durability.

Frequently Asked Questions

Where can I buy Glenair D3899933C21R?

You can click on the BUY or RFQ button to purchase D3899933C21R from an authorized Glenair distributor.

How do I troubleshoot issues or seek technical support for part D3899933C21R?

You can download the D3899933C21R datasheet or visit the Glenair website for support.

Who is the manufacturer of D3899933C21R?

Glenair

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