MIL-DTL-38999, Series I LJT, II JT, III TV
Thermocouple Contacts/Sealing Plugs/Finishing Data
Amphenol
SEALING PLUGS Series II JT/ I LJT
THERMOCOUPLE CONTACTS Series II JT/ I LJT
38999
Contact Size Commercial No. Military No.
Contact Size
Material
JT/LJT Pins
JT Sockets
LJT Sockets
III
8 (Coax)
8 (Twinax)
10 (Power)
12
10-482099-8
T3-4008-59P
10-576225
MS27488-8
N/A
Chromel
10-407862-310
10-407863-310
10-407236-310
HD
Dualok
Alumel
Iron
10-407862-320
10-407862-335
10-407862-342
10-407863-320
10-407863-335
10-407863-342
10-407865-320
10-407865-335
10-407865-342
N/A
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10-405996-122 MS27488-12-2
10-405996-162 MS27488-16-2
10-405996-202 MS27488-20-2
10-405996-222 MS27488-22-2
10-405996-222 MS27488-22-2
10-405996-222 MS27488-22-2
II
Constantan
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20
I
Partial Listing. If you do not see the contact for your application, consult Amphenol Aerospace.
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SJT
22M
THERMOCOUPLE CONTACTS PYLE VERSION Series II JT/ I LJT
Accessori
Aquacon
Herm/Sea
PCB
22D
Pins (II JT/I LJT)
Sockets (LJT)
Contact
Size
Material
SEALING PLUGS SJT
Spec Number Pyle Number Spec Number Pyle Number
Contact Size
Commercial No.
22D
22D
20
20
16
M39029/87-472
M39029/87-471
M39029/87-476
M39029/87-475
M39029/87-480
M39029/87-479
T3-4022-10P M39029/88-484 T3-4122-10P CHROMEL
T3-4022-10R M39029/88-483 T3-4122-10R ALUMEL
T3-4020-10P M39029/88-488 TS-4120-10P CHROMEL
T3-4020-10R M39029/88-487 T3-4120-10R ALUMEL
T3-4016-10P M39029/88-492 T3-4116-10P CHROMEL
T3-4016-10R M39029/88-491 T3-4116-10R ALUMEL
8 (Coax)
8 (Twinax)
10 (Power)
12
10-482099-8
10-482099-8
NA
HIGH
10-405996-012 Yellow
10-405996-016 Blue
10-405996-020 Red
10-405996-022 Black
10-405996-022 Black
10-405996-022 Black
SPEED
16
16
Fiber
Above part numbers include standard finish designation - gold plating over suitable underplate in
accordance with MIL-DTL-39029. For other finishes, consult Amphenol Aerospace. Note: 22M and
22D contacts are interchangeable. *For use with RG180B/U and RG195A/U cable. For other size
8 coax or optional sizes 12 and 18 coax contacts available for use in JT/LJT connectors, see
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Optics
22
22M
Contacts
Connecto
Cables
High Speed Contacts section of this catalog.**
For use with 17/M176-00002 cable.
22D
FINISH DATA MIL-DTL-38999,Tri-Start Series III TV
Aluminum Shell Components Non-Hermetic*
Finish
Service Class
Military
C*
F (Metal)*
Commercial
Anodic Coating (Non-Conductive)
Electroless Nickel
RX**
RF
M (Composite)
W (Metal)*
J (Composite)
Olive Drab Cadmium Plate Nickel Base
RW
Stainless Steel with Nickel Plate (non-firewall)
Stainless Steel with Nickel Plate (firewall)
Stainless Steel
L
S
K
T*
Z*
RS
RK
DT
DZ
Durmalon plated
Zinc-Nickel Plated
Hermetic Shell Components
Material/Finish
Service Class
Military
Commercial
Stainless Steel
Y
Y
Stainless Steel with Nickel Plate
**Add Suffix (005) to part number.
N
YN
FINISH DATA MIL-DTL-38999, Series I LJT, II JT
Aluminum Shell Components Non-Hermetic
Finish
Suffix
Indicated Finish
Indicated Finish
Standard for
JT Types Listed Below
JT/JTG/JTL/JTP
Standard for
LJT Types Listed Below
LJT/LJTP
Military
Commercial Finish Plus
“SR” Suffix
Cadmium Plated Nickel Base
MS (A)
MS (C)
–
(SR)
Anodic Coating (Alumilite)
Chromate Treated (Iridite 14-2)
Olive Drab Cadmium Plate Nickel Base
(005)
(011)
(014)
(300)
(344)
(386)
JTS/JTPS/JTLS
JTN/JTPN/JTLN
LJTPS/LJTS
LJTN/LJTPN
MS (B)
MS (F)
Electroless Nickel
(023)
(038)
(424)
Nickel-PTFE Durmalon
Hermetic Connectors
Suffix
Finish
Indicated Finish
Standard for
Indicated Finish
Standard for
Military
Commercial
JT Types Listed Below
JT( )H / JT( )Y
LJT Types Listed Below
LJT( )Y
Carbon Steel Shell
Tin Plated Shell and Contacts
JTL( )H / JTL( )Y
LJT( )H
Carbon Steel Shell Tin Plated Shell and
Gold Plated Contacts
Stainless Steel Shell Gold Plated Contacts
MS (D)
MS (E)
(162)
JTS( )Y
LJTS( )Y
JTLS( )Y
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
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