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D38999/32W21R Dust cap/cover for MIL-DTL-38999 Series III plug connectors. Shell size 21, aluminum olive drab cadmium finish, with 5 inch metal chain and rope eyelet attachment.
Mfr Part #:

D38999/32W21R

Available from 1 distributors
Mfr Name: Glenair
Glenair
Dust cap/cover for MIL-DTL-38999 Series III plug connectors. Shell size 21, aluminum olive drab cadmium finish, with 5 inch metal chain and rope eyelet attachment.
Total Stock: 2 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 Option
Chain Length
Color
E (Height)
Features
Finish
For Use With
J (Thickness)
L1 Length
M (Width)
Material
Military Grade
Shell Size
Thread Size

D38999/32W21R Description

Short technical summary and product information.

This Glenair D38999/32W21R is a protective plug cover (dust cap) designed for use with MIL-DTL-38999 Series III circular connectors. The cover is shell size 21, made from aluminum with an olive drab cadmium finish, and features a metal chain and a rope with eyelet attachment for tethering. Thread size is 1.3750-0.1P-0.3L-TS (Class 2A). External dimensions: 1.180 in length, 1.732 in width, 1.260 in height, with a wall thickness of 0.167 in. Chain length is 5.000 in. Environmental compliance: RoHS3 compliant (unverified), REACH unaffected, MSL 1 unlimited (unverified). This cover provides protection against dust, moisture, and physical damage during storage, transport, or when the connector is not in use. It is suitable for military, aerospace, and industrial applications requiring MIL-spec circular connectors.

D38999/32W21R Quick Information

Product Type: Circular Connector Accessory (Plug Cover)
Series: D38999/32
Canonical Name: D38999/32W21R Protective Plug Cover, Shell Size 21, Aluminum Olive Drab Cadmium, with Rope Eyelet
Subcategory: Protective Cover

D38999/32W21R Compliance

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

D38999/32W21R Features

  • Protective cover for MIL-DTL-38999 Series III plug.
  • Shell size 21 with aluminum olive drab cadmium finish.
  • Includes 5 inch metal chain and rope eyelet attachment.
  • Thread size 1.3750-0.1P-0.3L-TS Class 2A.
  • Dimensions: 1.180in x 1.732in x 1.260in.

D38999/32W21R Applications

  • Used to protect plug connectors during storage or transit.
  • Ideal for military and aerospace circular connector systems.
  • Provides dust and environmental sealing for MIL-DTL-38999 connectors.
  • Suitable for field use with rope eyelet tethering option.

D38999/32W21R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the shell size of this cover?

Shell size 21.

What material is the cover made of?

Aluminum.

What finish does it have?

Olive drab cadmium.

What attachment option is available?

Rope with eyelet.

What is the thread size?

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

What is the chain length?

5.000 inches (127.0 mm).

Which connector series is this cover compatible with?

MIL-DTL-38999 Series III plug.

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