Circular MIL Spec Tools, Hardware & Accessories

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MIL-DTL-38999 III Protective Plug Covers

Glenair MIL-DTL-38999 III Protective Plug Covers are available for almost all threaded MIL-DTL-38999 Series III circular connectors. These covers are fully compliant with the MIL-DTL-38999 specification, are available in shell sizes from 9 to 25, and come in various finishes. Glenair MIL-DTL-38999 III Protective Plug Covers are ideal for applications such as avionics, satellites, sensor and control systems, mission computers, and communication systems.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	MIL Type	Product	Type	Series	For Use With	Packaging
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W15R Glenair 1: Rp5.014.512 137In Stock	Mfr. Part No. D38999/33W15R Mouser Part No 654-D38999/33W15R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	137In Stock	Rp5.014.512 Rp4.568.704 Rp4.241.412 Rp3.453.451 View Rp3.450.149 Rp3.429.601 Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W11R Glenair 1: Rp17.080.676 14In Stock	Mfr. Part No. D38999/33W11R Mouser Part No 654-D38999/33W11R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	14In Stock	Rp17.080.676 Rp16.739.074 Rp7.109.075 View Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/32W23R Glenair 1: Rp5.269.705 6In Stock	Mfr. Part No. D38999/32W23R Mouser Part No 654-D38999/32W23R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	6In Stock	Rp5.269.705	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Plug Cover	D38999/32	D38999 TV Series Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33M11N Glenair 1: Rp2.288.480 10In Stock	Mfr. Part No. D38999/33M11N Mouser Part No 654-D38999/33M11N	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	10In Stock	Rp2.288.480	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33M25N Glenair 1: Rp4.387.996 8In Stock	Mfr. Part No. D38999/33M25N Mouser Part No 654-D38999/33M25N	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	8In Stock	Rp4.387.996 Rp4.386.529 Rp4.385.428 View Rp4.383.593 Rp3.686.812 Rp3.686.629 Quote	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W17R Glenair 1: Rp6.158.385 28In Stock	Mfr. Part No. D38999/33W17R Mouser Part No 654-D38999/33W17R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	28In Stock	Rp6.158.385 Rp5.419.408 Rp4.592.004 Rp4.403.774	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W9R Glenair 1: Rp4.131.152 19In Stock	Mfr. Part No. D38999/33W9R Mouser Part No 654-D38999/33W9R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	19In Stock	Rp4.131.152 Rp3.833.947	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE CVR RCEPT D38999/33M19R Glenair 1: Rp3.403.550 9In Stock	Mfr. Part No. D38999/33M19R Mouser Part No 654-D3899933M19R	Glenair	Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE CVR RCEPT Learn More about Glenair 38999IIIcovers	Datasheet	9In Stock	Rp3.403.550	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W13R Glenair 1: Rp4.562.283 10In Stock	Mfr. Part No. D38999/33W13R Mouser Part No 654-D38999/33W13R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	10In Stock	Rp4.562.283 Rp4.335.710 View Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33M17N Glenair 1: Rp3.201.377 8In Stock	Mfr. Part No. D38999/33M17N Mouser Part No 654-D38999/33M17N	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	8In Stock	Rp3.201.377 Rp3.200.827 Rp3.200.643 View Rp3.200.276 Rp3.199.909 Rp3.199.726 Quote	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE CVR RCEPT D38999/33J11R Glenair 1: Rp3.389.240 10In Stock	Mfr. Part No. D38999/33J11R Mouser Part No 654-D3899933J11R	Glenair	Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE CVR RCEPT Learn More about Glenair 38999IIIcovers	Datasheet	10In Stock	Rp3.389.240 Rp3.037.731 Rp2.837.943 Rp2.135.474 View Rp2.044.111 Rp2.043.744 Rp2.043.561 Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33M23R Glenair 1: Rp4.807.202 4In Stock	Mfr. Part No. D38999/33M23R Mouser Part No 654-D38999/33M23R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	4In Stock	Rp4.807.202 Rp4.443.218 View Rp4.290.396 Rp3.239.170 Rp3.048.004 Rp3.021.770 Quote	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE COVERS - PROTECTIVE COVERS D38999/32W21R Glenair 1: Rp8.125.627 10In Stock	Mfr. Part No. D38999/32W21R Mouser Part No 631-D38999/32W21R	Glenair	Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE COVERS - PROTECTIVE COVERS Learn More about Glenair 38999IIIcovers	Datasheet	10In Stock	Rp8.125.627	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Plug Cover	D38999/32	D38999 TV Series Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33F17R Glenair 1: Rp8.809.199 8In Stock	Mfr. Part No. D38999/33F17R Mouser Part No 654-D38999/33F17R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	8In Stock	Cut Tape Rp8.809.199 Rp8.032.246 Rp8.028.760 View Quote	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	Shell Size 17 Connectors	Reel
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/32W13R Glenair 1: Rp3.591.230 8In Stock	Mfr. Part No. D38999/32W13R Mouser Part No 654-D38999/32W13R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	8In Stock	Rp3.591.230	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Plug Cover	D38999/32	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/32W17N Glenair 1: Rp6.835.169 10In Stock	Mfr. Part No. D38999/32W17N Mouser Part No 654-D38999/32W17N	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	10In Stock	Rp6.835.169 Rp6.832.601 Rp6.829.665 Rp5.972.357 Rp4.138.674	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Plug Cover	D38999/32	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/32W21N Glenair 1: Rp6.411.927 10In Stock	Mfr. Part No. D38999/32W21N Mouser Part No 654-D38999/32W21N	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	10In Stock	Rp6.411.927 Rp4.627.228	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Plug Cover	D38999/32	D38999 TV Series Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/32W9R Glenair 1: Rp3.554.721 15In Stock	Mfr. Part No. D38999/32W9R Mouser Part No 654-D38999/32W9R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	15In Stock	Rp3.554.721 Rp2.457.263	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Plug Cover	D38999/32	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33M17R Glenair 1: Rp3.479.319 33In Stock	Mfr. Part No. D38999/33M17R Mouser Part No 654-D38999/33M17R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	33In Stock	Rp3.479.319 Rp2.777.034	Min.: 1 Mult.: 1		MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W11N Glenair 1: Rp6.158.018 8In Stock	Mfr. Part No. D38999/33W11N Mouser Part No 654-D38999/33W11N	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	8In Stock	Rp6.158.018 Rp5.361.068 Rp4.662.269 Rp3.884.949 View Rp3.875.226 Rp3.872.474 Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories G/A 38999 13 RCP CAP D38999/33W13N Glenair 1: Rp19.417.773 10In Stock	Mfr. Part No. D38999/33W13N Mouser Part No 654-D38999/33W13N	Glenair	Circular MIL Spec Tools, Hardware & Accessories G/A 38999 13 RCP CAP Learn More about Glenair 38999IIIcovers	Datasheet	10In Stock	Rp19.417.773 Rp15.857.915 Quote Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W15N Glenair 1: Rp9.281.058 15In Stock 18On Order	Mfr. Part No. D38999/33W15N Mouser Part No 654-D38999/33W15N	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	15In Stock 18On Order On Order Ship Dates Mfr. No: D38999/33W15N Stock: 15 Can Dispatch Immediately On Order: 17 Expected 28/09/2026 1 Expected 07/10/2026 Factory Lead Time: 3 Weeks	Rp9.281.058 Rp8.682.611 Rp8.384.489 Rp6.684.365 View Rp3.452.167 Rp3.389.240 Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W19R Glenair 1: Rp14.453.162 82In Stock	Mfr. Part No. D38999/33W19R Mouser Part No 654-D38999/33W19R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	82In Stock	Rp14.453.162 Rp14.166.047 View Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories DUST CAP D38999/33W21R Glenair 1: Rp17.637.844 11In Stock	Mfr. Part No. D38999/33W21R Mouser Part No 654-D38999/33W21R	Glenair	Circular MIL Spec Tools, Hardware & Accessories DUST CAP Learn More about Glenair 38999IIIcovers	Datasheet	11In Stock	Rp17.637.844 Rp17.285.051 View Quote	Min.: 1 Mult.: 1	No	MIL-DTL-38999 III	Accessories	Receptacle Cover	D38999/33	MIL-DTL-38999 III Connectors
Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE CVR RCEPT D38999/33K9N Glenair 1: Rp13.947.547 9In Stock	Mfr. Part No. D38999/33K9N Mouser Part No 654-D3899933K9N	Glenair	Circular MIL Spec Tools, Hardware & Accessories PROTECTIVE CVR RCEPT Learn More about Glenair 38999IIIcovers	Datasheet	9In Stock	Rp13.947.547 Rp12.095.334 Rp11.679.797 View Rp8.693.619 Rp6.010.150 Rp3.779.826 Quote	Min.: 1 Mult.: 1			Accessories	Receptacle Cover	D38999/33

MIL-DTL-38999 III Protective Plug Covers

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