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D38999/32W21R This is a protective plug cover (cap) for MIL-DTL-38999 Series III circular connectors. It features an aluminum olive drab cadmium finish, shell size 21, and a rope with eyelet attachment.
Mfr Part #:

D38999/32W21R

Available from 1 distributors
Mfr Name: Souriau-Sunbank by Eaton
Souriau-Sunbank by Eaton
This is a protective plug cover (cap) for MIL-DTL-38999 Series III circular connectors. It features an aluminum olive drab cadmium finish, shell size 21, and a rope with eyelet attachment.
Total Stock: 9 pcs

D38999/32W21R Available from 1 distributor

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D38999/32W21R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accessory Type
Attachment Type
Chain Length
Color
Failure Rate
Features
Finish
For Use With
Inner Diameter (E)
Material
Military Grade
Mounting Hole Diameter (J)
Outer Diameter (M)
Overall Length (L1)
SVHC Present
Shell Size
Thread Size

D38999/32W21R Description

Short technical summary and product information.

The D38999/32W21R is a protective plug cover (cap) designed for use with MIL-DTL-38999 Series III circular connectors. It is manufactured by Souriau-Sunbank by Eaton and is part of the D38999/32 family of protective covers.

 

This cover has a shell size of 21 and is made from aluminum with an olive drab cadmium finish. It features a Class 2A thread size of 1.3750-0.1P-0.3L-TS, ensuring secure attachment to the connector. The overall length is 30.0 mm, with an outer diameter of 44.0 mm and an inner diameter of 32.0 mm. The mounting hole diameter is 4.2 mm, and the chain length is 127.0 mm.

 

The cover includes a rope with eyelet attachment option, providing a convenient method for securing the cap. It is designed for protection against dust, dirt, and other contaminants when the connector is not in use. The olive drab cadmium finish offers corrosion resistance and is suitable for military and aerospace applications.

 

This cover is a direct replacement for Milnec part number RY38999/32 and is compatible with standard MIL-DTL-38999 Series III plugs. It is a circular connector accessory that helps maintain the integrity of the connector interface.

D38999/32W21R Quick Information

Product Type: Cap (Cover)
Series: MIL-DTL-38999 Series III
Canonical Name: Protective Plug Cover, MIL-DTL-38999 Series III, Shell Size 21, Olive Drab Cadmium, with Rope Eyelet Attachment
Subcategory: Protective Covers

D38999/32W21R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: Non-Compliant

D38999/32W21R Features

  • Protective plug cover for MIL-DTL-38999 Series III connectors.
  • Aluminum construction with olive drab cadmium finish.
  • Rope with eyelet attachment for secure handling.
  • Shell size 21 with Class 2A thread.
  • Chain length of 127.0 mm for tethering.

D38999/32W21R Applications

  • Used for protecting connectors in military and aerospace applications.
  • Suitable for harsh environments requiring corrosion resistance.
  • Ideal for covering plugs when not in use to prevent contamination.

D38999/32W21R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the accessory type of the D38999/32W21R?

Cap (Cover).

What is the shell size?

21.

What material is the cover made of?

Aluminum.

What is the finish?

Olive drab cadmium.

What is the attachment type?

Rope with eyelet.

What is the thread size?

1.3750-0.1P-0.3L-TS Class 2A.

What is the overall length?

30.0 mm (1.180 in).

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