MIL-C-38999 Series II
Part Number Explanation: MS27472 T 18 B 35 P A
Below are the explanations for each or the coloured sections of the part number.
Shell Type
| Code |
Description |
Available Class |
| MS27472 |
Wall Mount Receptacle |
E*, P, T |
| MS27473 |
Straight plug |
E*, P, T |
| MS27474 |
Jam nut receptacle |
E*, P, T |
| MS27475 |
Hermetic wall mount receptacle |
Y |
| MS27476 |
Hermetic box mount receptacle |
Y |
| MS27477 |
Hermetic jam nut receptacle |
Y |
| MS27478 |
Hermetic solder mount receptacle |
Y |
| MS27479 |
Superseded by MS27472 |
E*, T |
| MS27480 |
Superseded by MS27473 |
E*, T |
| MS27481 |
Superseded by MS27474 |
E*, T |
| MS27482 |
Superseded by MS27475 |
Y |
| MS27483 |
Superseded by MS27477
|
Y |
| MS27484 |
Straight plug, EMI grounding |
E*, P, T |
| MS27497 |
Wall mount receptacle, back panel mounting |
E*, P, T |
| MS27499 |
Box mount receptacle |
E |
| MS27500 |
Superseded by MS27473 with MS85049/47 backshell |
E |
| MS27503 |
Superseded by MS27478 |
Y |
| MS27504 |
Superseded by MS27499 |
E* |
| MS27508 |
Box mount receptacle, back panel mounting |
E |
| MS27513 |
Box mount receptacle, long grommet |
E |
| MS27664 |
Superseded by MS27497 |
E*, T |
|
* Inactive for new design. Use Class T.
|
Class
| Code |
Description |
|
E
|
Environmental, may or may not have teeth or rear of shell. Current for MS27496, MS27505, and MS27662. Inactive for new design for all others. Use Class T. |
|
P
|
Potting, includes potting boot and short rear grommet. Inactive for new Air Force design. |
| T |
Environmental, with teeth on rear of shell, less rear hardware. |
| Y |
Hermetic |
Shell Size
8, 10, 12, 14, 16, 18, 20, 22, 24
Material & Finish
| Code |
Material |
Finish |
Temp Range |
| A |
Aluminum
|
Bright or gold cadmium over nickel |
-65° C to +150° C |
| B |
Aluminum
|
Olive drab cadmium over nickel |
-65° C to +175° C |
| C |
Aluminum
|
Non-conductive anodize
|
-65° C to +200° C |
| D |
Steel |
Fused tin, class Y only |
-65° C to +150° C |
| E |
Stainless Steel |
Passivated, class Y only |
-65° C to +200° C |
| F |
Aluminum
|
Electroless nickel |
-65° C to +200° C |
| N |
Stainless Steel |
Electro deposited nickel |
-65° C to +200° C |
 MIL-C-38999 Inserts 87.68 Kb
Contact Style
A - Connector less pin contacts.
B - Connector less socket contacts.
P - Pin contacts, 500 cycles (crimp and hermetic with solder cups).
S - Socket contacts, 500 cycles (crimp and hermetic with solder cups).
X - Pin with eyelet (hermetic only).
Z - Socket with eyelet (hermetic only).
N.B. All shell types, receptacles and plugs, are available with either male pins or female socket contacts
Polarization
Blank - Normal
MIL-C-38999 Rotations 53.38 Kb
|
