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HD38999 Connectors

Amphenol Aerospace HD38999 Connectors offer 30% more contact density than the highest density Mil Spec 38999 connectors of its size. Designed using mil-specified 38999 components, mil-qualified 39029 size 23 contacts, and mil-qualified 38999 insert materials, these connectors are essentially a drop-in replacement for the standard 38999 connector. The design allows the user to increase the number of contacts without increasing the size of their connector. To meet reduced system size requirements, users can select smaller shell sizes without decreasing the number of contacts. Amphenol Aerospace qualified their connectors to the requirements of MIL-DTL-38999 making the HD38999 Connectors well-suited for applications such as avionics, C⁴I, commercial airframe, military vehicles, space, radar for ground and air, and missile and ordinance.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033470-001 Amphenol Aerospace 1: $373.29 49In Stock	Mfr. Part No. 21-033470-001 Mouser Part No 654-21-033470-001	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR Learn More about Amphenol Aerospace quadrax contacts	Datasheet	49In Stock	$373.29 $340.86 $328.63	Min.: 1 Mult.: 1
Standard Circular Connector 4P SZ 21 JAM NUT REC LESS CONTACTS TV07RQW-21-75S-LC Amphenol Aerospace 1: $474.65 20In Stock	Mfr. Part No. TV07RQW-21-75S-LC Mouser Part No 654-TV07RQW2175SLC	Amphenol Aerospace	Standard Circular Connector 4P SZ 21 JAM NUT REC LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	20In Stock	$474.65 $429.94	Min.: 1 Mult.: 1	No
Standard Circular Connector 42P SZ 25 JAM NUT REC LESS CONTACTS TV07RQW-25-17S-LC Amphenol Aerospace 1: $995.13 2In Stock Factory Special Order	Mfr. Part No. TV07RQW-25-17S-LC Mouser Part No 654-TV07RQW2517SLC Factory Special Order	Amphenol Aerospace	Standard Circular Connector 42P SZ 25 JAM NUT REC LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	2In Stock	$995.13 View $905.72	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts MiniatureCylindrical Connector 21-033388-021 Amphenol Aerospace 1: $266.67 16In Stock	Mfr. Part No. 21-033388-021 Mouser Part No 654-21-033388-021	Amphenol Aerospace	Circular MIL Spec Contacts MiniatureCylindrical Connector Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	16In Stock	$266.67 $260.64 View $253.53 $248.78 Quote	Min.: 1 Mult.: 1
Standard Circular Connector 18P SZ 19 STRAIGHT PLUG LESS CONTACTS TV06RQW-19-18P-LC Amphenol Aerospace 1: $470.34 7In Stock	Mfr. Part No. TV06RQW-19-18P-LC Mouser Part No 654-TV06RQW1918PLC	Amphenol Aerospace	Standard Circular Connector 18P SZ 19 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	7In Stock	$470.34 View $379.77	Min.: 1 Mult.: 1	No
Standard Circular Connector 42P SZ 25 STRAIGHT PLUG LESS CONTACTS TV06RQW-25-17P-LC Amphenol Aerospace 1: $641.99 3In Stock	Mfr. Part No. TV06RQW-25-17P-LC Mouser Part No 654-TV06RQW2517PLC	Amphenol Aerospace	Standard Circular Connector 42P SZ 25 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	3In Stock	$641.99 View $614.75	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts MIL-DTL-38999 III QUADRAX SKT CONTACT 21-033385-051 Amphenol Aerospace 1: $218.82 456In Stock	Mfr. Part No. 21-033385-051 Mouser Part No 654-21-033385-051	Amphenol Aerospace	Circular MIL Spec Contacts MIL-DTL-38999 III QUADRAX SKT CONTACT Learn More about Amphenol Aerospace quadrax contacts	Datasheet	456In Stock	$218.82 $198.86 $188.50 $153.57 View $151.06 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM 21-033387-021 Amphenol Aerospace 1: $248.10 2In Stock 16Expected 30/10/2026	Mfr. Part No. 21-033387-021 Mouser Part No 654-21-033387-021	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	2In Stock 16Expected 30/10/2026	$248.10 $239.65	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033471-001 Amphenol Aerospace 1: $316.44 2In Stock Factory Special Order	Mfr. Part No. 21-033471-001 Mouser Part No 654-21-033471-001 Factory Special Order	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR Learn More about Amphenol Aerospace quadrax contacts	Datasheet	2In Stock	$316.44 View $270.06 $241.66 $220.66 Quote	Min.: 1 Mult.: 1
Standard Circular Connector 1P SZ 8 STRAIGHT PLUG LESS CONTACTS TV06RGQF-9-5S-LC Amphenol Aerospace 1: $991.32 8Expected 26/10/2026	Mfr. Part No. TV06RGQF-9-5S-LC Mouser Part No 654-TV06RGQF95SLC	Amphenol Aerospace	Standard Circular Connector 1P SZ 8 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	8Expected 26/10/2026	$991.32 View $981.48	Min.: 1 Mult.: 1	No
Standard Circular Connector 8P SZ 25 WALL MOUNT REC LESS CONTACTS TVP00RQW-25-8P-LC Amphenol Aerospace 10: $431.24 2Stock Available	Mfr. Part No. TVP00RQW-25-8P-LC Mouser Part No 654-TVP00RQW258PLC	Amphenol Aerospace	Standard Circular Connector 8P SZ 25 WALL MOUNT REC LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	2Stock Available More Info Available	$431.24	Min.: 10 Mult.: 1	No
Circular MIL Spec Contacts QUADRAX CONTACT PIN 26 AWG 150 OHM 21-033450-001 Amphenol Aerospace Non-Stocked	Mfr. Part No. 21-033450-001 Mouser Part No 654-21-033450-001	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT PIN 26 AWG 150 OHM Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked		Request a Quote	No
Circular MIL Spec Contacts QUADRAX CONTACT SKT 26 AWG 150 OHM 21-033451-001 Amphenol Aerospace Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. 21-033451-001 Mouser Part No 654-21-033451-001	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT SKT 26 AWG 150 OHM Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 13 Weeks		Request a Quote	No
Standard Circular Connector 39P SZ 17 STRAIGHT PLUG LESS CONTACTS TV06RQF-17-22S-LC Amphenol Aerospace Non-Stocked	Mfr. Part No. TV06RQF-17-22S-LC Mouser Part No 654-TV06RQF1722SLC	Amphenol Aerospace	Standard Circular Connector 39P SZ 17 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked		Request a Quote
Standard Circular Connector 4P SZ 21 STRAIGHT PLUG LESS CONTACTS TV06RQW-21-75P-LC Amphenol Aerospace Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. TV06RQW-21-75P-LC Mouser Part No 654-TV06RQW2175PLC	Amphenol Aerospace	Standard Circular Connector 4P SZ 21 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 14 Weeks		Request a Quote	No
Standard Circular Connector 1P SZ 8 WALL MNT REC LESS CONTACTS TVP00RGQF-9-5P-LC Amphenol Aerospace Non-Stocked	Mfr. Part No. TVP00RGQF-9-5P-LC Mouser Part No 654-TVP00RGQF95PLC	Amphenol Aerospace	Standard Circular Connector 1P SZ 8 WALL MNT REC LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked		Request a Quote
Standard Circular Connector 39P SZ 17 WALL MOUNT REC LESS CONTACTS TVP00RQF-17-22P-LC Amphenol Aerospace Non-Stocked	Mfr. Part No. TVP00RQF-17-22P-LC Mouser Part No 654-TVP00RQF1722PLC	Amphenol Aerospace	Standard Circular Connector 39P SZ 17 WALL MOUNT REC LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked		Request a Quote
Standard Circular Connector 39P SZ 17 WALL MOUNT REC LESS CONTACTS TVP00RQF-17-22S-LC Amphenol Aerospace Non-Stocked	Mfr. Part No. TVP00RQF-17-22S-LC Mouser Part No 654-TVP00RQF1722SLC	Amphenol Aerospace	Standard Circular Connector 39P SZ 17 WALL MOUNT REC LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked		Request a Quote
Standard Circular Connector 39P SZ 17 STRAIGHT PLUG LESS CONTACTS TV06RQF-17-22P-LC Amphenol Aerospace Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. TV06RQF-17-22P-LC Mouser Part No 654-TV06RQF1722PLC	Amphenol Aerospace	Standard Circular Connector 39P SZ 17 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 9 Weeks		Request a Quote
Standard Circular Connector 6P SIZE 23 PIN TRI-START TV06RQW-23-6P-LC Amphenol Aerospace Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. TV06RQW-23-6P-LC Mouser Part No 654-TV06RQW-23-6P-LC	Amphenol Aerospace	Standard Circular Connector 6P SIZE 23 PIN TRI-START Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 9 Weeks		Request a Quote	No
Standard Circular Connector 2P SZ 17 STRAIGHT PLUG LESS CONTACTS TV06RQW-17-52P-LC Amphenol Aerospace Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. TV06RQW-17-52P-LC Mouser Part No 654-TV06RQW1752PLC	Amphenol Aerospace	Standard Circular Connector 2P SZ 17 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 9 Weeks		Request a Quote	No
Standard Circular Connector 15P SZ 19 STRAIGHT PLUG LESS CONTACTS TV06RQW-19-31P-LC Amphenol Aerospace Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. TV06RQW-19-31P-LC Mouser Part No 654-TV06RQW1931PLC	Amphenol Aerospace	Standard Circular Connector 15P SZ 19 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 9 Weeks		Request a Quote	No
Standard Circular Connector 4P SZ 21 STRAIGHT PLUG LESS CONTACTS TV06RQW-21-75S-LC Amphenol Aerospace 1: $464.62 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. TV06RQW-21-75S-LC Mouser Part No 654-TV06RQW2175SLC	Amphenol Aerospace	Standard Circular Connector 4P SZ 21 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 9 Weeks	$464.62 $365.06 $300.64	Min.: 1 Mult.: 1	No
Standard Circular Connector 6P SZ 23 STRAIGHT PLUG LESS CONTACTS TV06RQW-23-6S-LC Amphenol Aerospace 10: $460.20 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. TV06RQW-23-6S-LC Mouser Part No 654-TV06RQW236SLC	Amphenol Aerospace	Standard Circular Connector 6P SZ 23 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 9 Weeks	$460.20 $378.98	Min.: 10 Mult.: 1	No
Standard Circular Connector 42P SZ 25 STRAIGHT PLUG LESS CONTACTS TV06RQW-25-17S-LC Amphenol Aerospace 1: $1,090.45 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. TV06RQW-25-17S-LC Mouser Part No 654-TV06RQW2517SLC	Amphenol Aerospace	Standard Circular Connector 42P SZ 25 STRAIGHT PLUG LESS CONTACTS Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	Non-Stocked Lead-Time 9 Weeks	$1,090.45 $885.17	Min.: 1 Mult.: 1	No

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