Circular MIL Spec Backshells

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Single Arm Composite Backshells

SUNBANK Single Arm Composite Backshells are designed to mate with MIL-DTL-38999 I, II, III, and IV connectors and incorporate self-locking coupling. The self-locking feature of these SUNBANK backshells withstands high vibrations. Single Arm Backshells comprise lightweight, aerospace-grade composite materials up to 40% lighter than aluminum. The backshells are available with electroless nickel plating, meeting the requirements of AS85049 and RoHS/REACH compliance. A Ground Lug option allows soldering directly to the body.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	MIL Type	Product	Shell Size	Shell Plating	Shell Material
Circular MIL Spec Backshells Plated 90 degree Adapter Assembly 09F7R721XN15G Sunbank / Souriau 1: $259.08 24In Stock	Mfr. Part # 09F7R721XN15G Mouser Part # 649-09F7R721XN15G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 90 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	24In Stock	$259.08 $223.69 $215.70 $214.11 View Quote	Min.: 1 Mult.: 1	MIL-DTL-38999 III, IV	Band Lock Adapters	15	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated Straight Adapter Assembly 09F7S721XN17G Sunbank / Souriau 1: $492.30 22In Stock	Mfr. Part # 09F7S721XN17G Mouser Part # 649-09F7S721XN17G	Sunbank / Souriau	Circular MIL Spec Backshells Plated Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	22In Stock	$492.30 $447.80 $431.74	Min.: 1 Mult.: 1	MIL-DTL-38999 III, IV	Band Lock Adapters	17	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 90 degree Adapter Assembly 09F7R721XN17G Sunbank / Souriau 1: $492.91 23In Stock	Mfr. Part # 09F7R721XN17G Mouser Part # 649-09F7R721XN17G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 90 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	23In Stock	$492.91 $448.34 $432.26	Min.: 1 Mult.: 1	MIL-DTL-38999 III, IV	Band Lock Adapters	17	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Natural Straight Adapter Assembly 09F7S721XB17 Sunbank / Souriau 1: $106.38 3In Stock	Mfr. Part # 09F7S721XB17 Mouser Part # 649-09F7S721XB17	Sunbank / Souriau	Circular MIL Spec Backshells Natural Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	3In Stock	$106.38 $94.56 $90.92 $87.88 $83.03	Min.: 1 Mult.: 1	MIL-DTL-38999 III, IV	Band Lock Adapters	17		Thermoplastic (TP)
Circular MIL Spec Backshells Black Straight Adapter Assembly 09F7S721XM17 Sunbank / Souriau 1: $182.79 45On Order	Mfr. Part # 09F7S721XM17 Mouser Part # 649-09F7S721XM17	Sunbank / Souriau	Circular MIL Spec Backshells Black Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	45On Order	$182.79 $167.77	Min.: 1 Mult.: 1	MIL-DTL-38999 III, IV	Band Lock Adapters	17		Thermoplastic (TP)
Circular MIL Spec Backshells Black 45degree Adapter Assembly 09F7A721XM11 Sunbank / Souriau 50: $124.16 Non-Stocked	Mfr. Part # 09F7A721XM11 Mouser Part # 649-09F7A721XM11	Sunbank / Souriau	Circular MIL Spec Backshells Black 45degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$124.16 $117.31	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	11		Thermoplastic (TP)
Circular MIL Spec Backshells Plated 45 degree Adapter Assembly 09F7A721XN11G Sunbank / Souriau 50: $428.16 Non-Stocked	Mfr. Part # 09F7A721XN11G Mouser Part # 649-09F7A721XN11G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 45 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$428.16	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	11	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 45 degree Adapter Assembly 09F7A721XN13G Sunbank / Souriau 50: $208.78 Non-Stocked	Mfr. Part # 09F7A721XN13G Mouser Part # 649-09F7A721XN13G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 45 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$208.78	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	13	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 45 degree Adapter Assembly 09F7A721XN15G Sunbank / Souriau 50: $141.57 Non-Stocked	Mfr. Part # 09F7A721XN15G Mouser Part # 649-09F7A721XN15G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 45 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$141.57 $133.76	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	15	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 45 degree Adapter Assembly 09F7A721XN17G Sunbank / Souriau 50: $432.25 Non-Stocked	Mfr. Part # 09F7A721XN17G Mouser Part # 649-09F7A721XN17G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 45 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$432.25	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	17	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 45 degree Adapter Assembly 09F7A721XN19G Sunbank / Souriau 50: $188.79 Non-Stocked	Mfr. Part # 09F7A721XN19G Mouser Part # 649-09F7A721XN19G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 45 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$188.79	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	19	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 45 degree Adapter Assembly 09F7A721XN25G Sunbank / Souriau 50: $435.77 Non-Stocked	Mfr. Part # 09F7A721XN25G Mouser Part # 649-09F7A721XN25G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 45 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$435.77	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	25	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 90 degree Adapter Assembly 09F7R721XN11G Sunbank / Souriau 50: $428.30 Non-Stocked	Mfr. Part # 09F7R721XN11G Mouser Part # 649-09F7R721XN11G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 90 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$428.30	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	11	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 90 degree Adapter Assembly 09F7R721XN13G Sunbank / Souriau 50: $208.78 Non-Stocked	Mfr. Part # 09F7R721XN13G Mouser Part # 649-09F7R721XN13G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 90 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$208.78	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	13	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 90 degree Adapter Assembly 09F7R721XN21G Sunbank / Souriau 50: $110.79 Non-Stocked	Mfr. Part # 09F7R721XN21G Mouser Part # 649-09F7R721XN21G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 90 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$110.79 $104.68	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	21	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 90 degree Adapter Assembly 09F7R721XN23G Sunbank / Souriau 50: $233.00 Non-Stocked	Mfr. Part # 09F7R721XN23G Mouser Part # 649-09F7R721XN23G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 90 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$233.00	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	23	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated 90 degree Adapter Assembly 09F7R721XN25G Sunbank / Souriau 50: $435.77 Non-Stocked	Mfr. Part # 09F7R721XN25G Mouser Part # 649-09F7R721XN25G	Sunbank / Souriau	Circular MIL Spec Backshells Plated 90 degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$435.77	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	25	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Black Straight Adapter Assembly 09F7S721XM13 Sunbank / Souriau 50: $131.73 Non-Stocked	Mfr. Part # 09F7S721XM13 Mouser Part # 649-09F7S721XM13	Sunbank / Souriau	Circular MIL Spec Backshells Black Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$131.73 $124.45	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	13		Thermoplastic (TP)
Circular MIL Spec Backshells Plated Straight Adapter Assembly 09F7S721XN11G Sunbank / Souriau 50: $431.81 Non-Stocked	Mfr. Part # 09F7S721XN11G Mouser Part # 649-09F7S721XN11G	Sunbank / Souriau	Circular MIL Spec Backshells Plated Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$431.81	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	11	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated Straight Adapter Assembly 09F7S721XN13G Sunbank / Souriau 50: $211.26 Non-Stocked	Mfr. Part # 09F7S721XN13G Mouser Part # 649-09F7S721XN13G	Sunbank / Souriau	Circular MIL Spec Backshells Plated Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$211.26	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	13	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated Straight Adapter Assembly 09F7S721XN15G Sunbank / Souriau 50: $216.27 Non-Stocked	Mfr. Part # 09F7S721XN15G Mouser Part # 649-09F7S721XN15G	Sunbank / Souriau	Circular MIL Spec Backshells Plated Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$216.27	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	15	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated Straight Adapter Assembly 09F7S721XN21G Sunbank / Souriau 50: $227.05 Non-Stocked	Mfr. Part # 09F7S721XN21G Mouser Part # 649-09F7S721XN21G	Sunbank / Souriau	Circular MIL Spec Backshells Plated Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$227.05	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	21	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Plated Straight Adapter Assembly 09F7S721XN25G Sunbank / Souriau 50: $435.72 Non-Stocked	Mfr. Part # 09F7S721XN25G Mouser Part # 649-09F7S721XN25G	Sunbank / Souriau	Circular MIL Spec Backshells Plated Straight Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked	$435.72	Min.: 50 Mult.: 50	MIL-DTL-38999 III, IV	Band Lock Adapters	25	Nickel	Thermoplastic (TP)
Circular MIL Spec Backshells Black 90degree Adapter Assembly 09F7R721XM11 Sunbank / Souriau Non-Stocked Factory Special Order	Mfr. Part # 09F7R721XM11 Mouser Part # 649-09F7R721XM11 Factory Special Order	Sunbank / Souriau	Circular MIL Spec Backshells Black 90degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked		Request a Quote	MIL-DTL-38999 III, IV	Band Lock Adapters	11		Thermoplastic (TP)
Circular MIL Spec Backshells Black 90degree Adapter Assembly 09F7R721XM13 Sunbank / Souriau Non-Stocked Factory Special Order	Mfr. Part # 09F7R721XM13 Mouser Part # 649-09F7R721XM13 Factory Special Order	Sunbank / Souriau	Circular MIL Spec Backshells Black 90degree Adapter Assembly Learn More about Sunbank / Souriau sunbank single arm backshells	Datasheet	Non-Stocked		Request a Quote	MIL-DTL-38999 III, IV	Band Lock Adapters	13		Thermoplastic (TP)

Single Arm Composite Backshells

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