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Hermetic Circular Connectors

Amphenol Aerospace Hermetic Circular Connectors maintain system integrity in applications where reliability and performance are critical, such as gas-tight barriers or areas with high-pressure differentials. A wide range of materials and manufacturing capabilities are used to provide consumer and MIL-spec products for glass-to-metal seals and lightweight epoxy backfilled solutions. The epoxy-sealed connectors are a lightweight alternative to glass-sealed hermetic connectors for use in avionics and other weight-sensitive applications where a high level of sealing is required. Epoxy-sealed connectors provide an optimal solution when increasingly stringent sealing requirements must be met.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Standard Circular Connector RECEPT BTY-1712-12P1D Amphenol Aerospace 1: S/2,777.03 21In Stock	Mfr. Part # BTY-1712-12P1D Mouser Part # 654-BTY-1712-12P1D	Amphenol Aerospace	Standard Circular Connector RECEPT Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	21In Stock	S/2,777.03 S/2,425.14	Min.: 1 Mult.: 1
Circular MIL Spec Connector PT CARBON STEEL HERMETIC & MINOR MODS PT07H-8-4P Amphenol Aerospace 1: S/200.15 34In Stock	Mfr. Part # PT07H-8-4P Mouser Part # 654-PT07H-8-4P	Amphenol Aerospace	Circular MIL Spec Connector PT CARBON STEEL HERMETIC & MINOR MODS Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	34In Stock	S/200.15 S/177.07 S/167.49 View S/165.24 S/163.52 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector 8P Size 12 Jam Nut Pin Receptacle PT07H-12-8P Amphenol Aerospace 1: S/302.99 147In Stock	Mfr. Part # PT07H-12-8P Mouser Part # 654-PT07H128P	Amphenol Aerospace	Circular MIL Spec Connector 8P Size 12 Jam Nut Pin Receptacle Learn More about Amphenol Aerospace amphenol pt	Datasheet	147In Stock	S/302.99 S/269.32 S/258.97 S/250.33 View S/236.51 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector Hermetic Standard Circular Connector, Shell Size 12, 8 Positions PTIH-12-8P Amphenol Aerospace 1: S/386.60 22In Stock	Mfr. Part # PTIH-12-8P Mouser Part # 654-PTIH-12-8P	Amphenol Aerospace	Circular MIL Spec Connector Hermetic Standard Circular Connector, Shell Size 12, 8 Positions Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	22In Stock	S/386.60 S/352.58 View S/320.39 S/295.91 S/286.68 Quote	Min.: 1 Mult.: 1
Standard Circular Connector RECEPT BTY-1712-03P1D Amphenol Aerospace 1: S/2,497.62 22In Stock	Mfr. Part # BTY-1712-03P1D Mouser Part # 654-BTY-1712-03P1D	Amphenol Aerospace	Standard Circular Connector RECEPT Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	22In Stock	S/2,497.62 S/2,167.77	Min.: 1 Mult.: 1
Standard Circular Connector RECEPT BTY-1714-07P1D Amphenol Aerospace 1: S/2,323.08 16In Stock	Mfr. Part # BTY-1714-07P1D Mouser Part # 654-BTY-1714-07P1D	Amphenol Aerospace	Standard Circular Connector RECEPT Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	16In Stock	S/2,323.08 S/2,074.82	Min.: 1 Mult.: 1
Circular MIL Spec Connector HERMETIC PT02H123P Amphenol Aerospace 1: S/175.94 17In Stock	Mfr. Part # PT02H123P Mouser Part # 654-PT02H123P	Amphenol Aerospace	Circular MIL Spec Connector HERMETIC Learn More about Amphenol Aerospace amphenol pt	Datasheet	17In Stock	S/175.94 S/160.45 View S/160.37 S/158.46 S/155.39 S/155.00	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector PT/MS-STAINLESS STEEL HERMETIC PT07H-8-2P Amphenol Aerospace 1: S/340.28 39In Stock 42Expected 1/15/2027	Mfr. Part # PT07H-8-2P Mouser Part # 654-PT07H-8-2P	Amphenol Aerospace	Circular MIL Spec Connector PT/MS-STAINLESS STEEL HERMETIC Learn More about Amphenol Aerospace amphenol pt	Datasheet	39In Stock 42Expected 1/15/2027	S/340.28	Min.: 1 Mult.: 1
Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 15 Positions BFY-1714-15P1D Amphenol Aerospace 1: S/261.07 21In Stock	Mfr. Part # BFY-1714-15P1D Mouser Part # 654-BFY-1714-15P1D	Amphenol Aerospace	Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 15 Positions Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	21In Stock	S/261.07 S/225.57 View S/221.87 S/214.48 S/202.68 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 15 Positions BFY-1414-15P1D Amphenol Aerospace 1: S/230.75 24In Stock	Mfr. Part # BFY-1414-15P1D Mouser Part # 654-BFY-1414-15P1D	Amphenol Aerospace	Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 15 Positions Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	24In Stock	S/230.75 S/197.16 View S/193.92 S/187.46 S/177.15 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 15 Positions BTY-1414-15P1D Amphenol Aerospace 1: S/233.32 24In Stock	Mfr. Part # BTY-1414-15P1D Mouser Part # 654-BTY-1414-15P1D	Amphenol Aerospace	Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 15 Positions Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	24In Stock	S/233.32 S/199.72 View S/196.49 S/189.92 S/179.52 S/179.48 Quote	Min.: 1 Mult.: 1
Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 7 Positions BTY-1414-07P1D Amphenol Aerospace 1: S/177.58 24In Stock	Mfr. Part # BTY-1414-07P1D Mouser Part # 654-BTY-1414-07P1D	Amphenol Aerospace	Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 14, 7 Positions Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	24In Stock	S/177.58 S/150.91 View S/150.41 S/145.54 S/140.71 S/132.97 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector MS/TRI-START HERMETIC D38999/21YA98PN Amphenol Aerospace 1: S/402.80 70In Stock 255Expected 11/27/2026	Mfr. Part # D38999/21YA98PN Mouser Part # 523-D38999/21YA98PN	Amphenol Aerospace	Circular MIL Spec Connector MS/TRI-START HERMETIC Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	70In Stock 255Expected 11/27/2026	S/402.80 S/351.92	Min.: 1 Mult.: 1
Circular MIL Spec Connector HERMETIC D38999/21YB35PN Amphenol Aerospace 1: S/553.94 26In Stock	Mfr. Part # D38999/21YB35PN Mouser Part # 523-D38999/21YB35PN	Amphenol Aerospace	Circular MIL Spec Connector HERMETIC Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	26In Stock	S/553.94 S/495.05 S/477.03 S/454.29 View S/420.66 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector HERMETIC D38999/23YB98PN Amphenol Aerospace 1: S/604.39 77In Stock	Mfr. Part # D38999/23YB98PN Mouser Part # 523-D38999/23YB98PN	Amphenol Aerospace	Circular MIL Spec Connector HERMETIC Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	77In Stock	S/604.39 S/513.81 S/499.52 S/489.29 View S/438.37 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector HERMETIC D38999/23YC35PN Amphenol Aerospace 1: S/659.70 54In Stock 47Expected 12/1/2026	Mfr. Part # D38999/23YC35PN Mouser Part # 654-38999/23YC35PN	Amphenol Aerospace	Circular MIL Spec Connector HERMETIC Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	54In Stock 47Expected 12/1/2026	S/659.70 S/578.19 S/551.72 S/525.41 Quote Quote	Min.: 1 Mult.: 1
Standard Circular Connector RECEPT BTY-1412-12P1D Amphenol Aerospace 1: S/2,574.30 24In Stock	Mfr. Part # BTY-1412-12P1D Mouser Part # 654-BTY-1412-12P1D	Amphenol Aerospace	Standard Circular Connector RECEPT Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	24In Stock	S/2,574.30 S/2,208.64	Min.: 1 Mult.: 1
Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 10, 5 Positions BTY-1710-05P1D Amphenol Aerospace 1: S/2,296.22 25In Stock	Mfr. Part # BTY-1710-05P1D Mouser Part # 654-BTY-1710-05P1D	Amphenol Aerospace	Standard Circular Connector Hermetic Standard Circular Connector, Shell Size 10, 5 Positions Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	25In Stock	S/2,296.22 S/1,981.48	Min.: 1 Mult.: 1
Circular MIL Spec Connector 6P Size 10 Jam Nut Pin Receptacle PT07H-10-6P Amphenol Aerospace 1: S/362.74 44In Stock	Mfr. Part # PT07H-10-6P Mouser Part # 654-PT07H106P	Amphenol Aerospace	Circular MIL Spec Connector 6P Size 10 Jam Nut Pin Receptacle Learn More about Amphenol Aerospace amphenol pt	Datasheet	44In Stock	S/362.74 S/320.82	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector JAM NUT HERMETIC PIN D38999/23YD35PN Amphenol Aerospace 1: S/809.72 10In Stock 99On Order	Mfr. Part # D38999/23YD35PN Mouser Part # 654-APHD38999/23YD35	Amphenol Aerospace	Circular MIL Spec Connector JAM NUT HERMETIC PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 iii connectors	Datasheet	10In Stock 99On Order On Order Ship Dates Mfr. #: D38999/23YD35PN Stock: 10 Can Ship Immediately On Order: 22 Expected 11/30/2026 27 Expected 1/15/2027 50 Expected 2/22/2027 Factory Lead-Time: 24 Weeks	S/809.72 S/802.48 S/759.70 S/756.62 View Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector 6P Size 10 Box Mount Pin Receptacle PT02H106P Amphenol Aerospace 1: S/507.31 31In Stock 94Expected 3/22/2027	Mfr. Part # PT02H106P Mouser Part # 654-PT02H106P	Amphenol Aerospace	Circular MIL Spec Connector 6P Size 10 Box Mount Pin Receptacle Learn More about Amphenol Aerospace amphenol pt	Datasheet	31In Stock 94Expected 3/22/2027	S/507.31	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 10P JAM NUT PIN REC SZ 12 MIL-C-26482 I PT07H1210P Amphenol Aerospace 1: S/311.98 37In Stock	Mfr. Part # PT07H1210P Mouser Part # 654-PT07H1210P	Amphenol Aerospace	Circular MIL Spec Connector 10P JAM NUT PIN REC SZ 12 MIL-C-26482 I Learn More about Amphenol Aerospace amphenol pt	Datasheet	37In Stock	S/311.98 S/280.49 S/274.46 View S/270.30 S/268.66	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 3P JAM NUT PIN RECPT SZ 12 MIL-C-26482 I PT07H123P Amphenol Aerospace 1: S/294.12 32In Stock	Mfr. Part # PT07H123P Mouser Part # 654-PT07H123P	Amphenol Aerospace	Circular MIL Spec Connector 3P JAM NUT PIN RECPT SZ 12 MIL-C-26482 I Learn More about Amphenol Aerospace amphenol pt	Datasheet	32In Stock	S/294.12 S/266.09 S/258.23 View S/249.82 S/245.93	Min.: 1 Mult.: 1	No
Standard Circular Connector RECEPT BTY-1408-03P1D Amphenol Aerospace 1: S/2,021.96 25In Stock	Mfr. Part # BTY-1408-03P1D Mouser Part # 654-BTY-1408-03P1D	Amphenol Aerospace	Standard Circular Connector RECEPT Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	25In Stock	S/2,021.96 S/1,719.04	Min.: 1 Mult.: 1
Standard Circular Connector RECEPT BTY-1708-03P1D Amphenol Aerospace 1: S/2,126.24 25In Stock	Mfr. Part # BTY-1708-03P1D Mouser Part # 654-BTY-1708-03P1D	Amphenol Aerospace	Standard Circular Connector RECEPT Learn More about Amphenol Aerospace amphenol hermetic connectors	Datasheet	25In Stock	S/2,126.24 S/1,807.72	Min.: 1 Mult.: 1

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