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MIL-DTL-38999 Series I

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MIL-DTL-38999 Series I is a bayonet coupling subminiature configuration with high contact density, ideal for smaller wire gauge, general-purpose applications. These environment resisting connectors are 100% “scoop-proof.” Pins are recessed in elongated shells to prevent the possibility of bending contacts when plugs are scooped into the mating receptacles.

Standard plugs provide RFI protection by incorporating a continuous strip of attached grounding fingers attenuating interference up to 1 GHz. Fifty-seven insert arrangements per MIL-STD-1560 are tooled and qualified to MIL-DTL-38999 Series I, utilizing 2 to 128 contacts. Contacts come in sizes 22M, 22D, 20, 16, 12, and 8 (coax and twinax), terminating wire sizes from 28 gauge to 12 gauge including coaxial cable.

Series Prefix: MS27466, MS27467, MS27468, MS27496, MS27505, and MS27656

FEATURES AND BENEFITS

  • Contact Protection
  • Quick Positive Coupling
  • Error Proof Alternate Positioning
  • EMI Shielding
  • Nine Shell Sizes and a Variety of Shell Styles
  • Hermetic

Series Applications: High-performance military aircraft, Commercial airlines, Communications equipment, Armored personnel carriers & tanks, Missiles, Shipboard, Medical Instrumentation, High-reliability test equipment.

View All MIL-DTL-38999 Series I Products »

Ordering Guide

MS27467 T 15 B 35 P A

BASIC PART NUMBER

MS27466 – WALL MOUNT RECEPTACLE
MS27467 – STRAIGHT PLUG, EMI GROUNDING
MS27468 – JAM NUT RECEPTACLE
MS27496 – BOX-MOUNT RECEPTACLE
MS27505 – BOX MOUNT RECEPTACLE , BACK PANEL MOUNTING
MS27656 – WALL MOUNT RECEPTACLE, BACK PANEL MOUNTING

CLASS

T – ENVIRONMENTAL WITH REAR ACCESSORY TEETH
E – ENVIRONMENTAL W/GROMMET NUT (INACTIVE)

SHELL SIZE

9 – 25 (ODD NUMBERS)

SHELL FINISH

A – BRIGHT CADMIUM
B – OLIVE DRAB CADMIUM
F – ELECTROLESS NICKEL

INSERT ARRANGEMENT

SEE CHART

CONTACT STYLE

P – PIN, S – SOCKET, A – PIN LESS CONTACTS, B – SOCKET LESS CONTACTS

POLARIZATION

BLANK – NORMAL, A, B, C, D

INSERT CHART

INSERT 
ARRANGEMENT		 TOTAL
CONTACTS		 22D GA 20 GA 16 GA 12 GA
  9-35   6   6      
  9-98   3     3    
  11-5   5     5    
  11-35   13   13      
  11-98   6   6    
  11-99   7      7    
  13-4   4       4  
  13-8   8     8    
  13-35   22   22      
  13-98   10     10    
  15-5   15        5  
  15-15   15     14   1  
  15-18   18     18    
  15-19   19     19    
  15-35   55   55      
  15-97   12     8   4  
  17-6   6         6
  17-8   8       8  
  17-26   26     26    
  17-35   55   55      
  17-99   23     21   2  
  19-11   11        1  
  19-31   32     32    
  19-35   79   79      
  19-39   39   37   2    
  21-11   11         11
  21-16   16       16  
  21-35   79   79      
  21-41   41     41    
  23-21   21       21  
  23-35   100   100      
  23-53   53     53    
  23-55   55     55    
  25-19   19         19
  25-24   24       12   12
  25-29   9   29   29  
  25-35   128   128      
  25-43   43     23   20  
  25-61   61     61    

 

ACCESSORIES
CONTACTS DESCRIPTION  
  MS39029/58-360   22D GA PIN  
  MS39029/56-348   22D GA SKT  
  MS39029/58-363   20 GA PIN  
  MS39029/56-351   20 GA SKT  
  MS39029/58-364   16 GA SKT  
  MS39029/56-352   16 GA SKT    
  MS39029/58-365   12 GA PIN  
  MS39029/56-353   12 GA SKT  

TOOLS DESCRIPTION  
  M81969/14-09   22D GA INS/RMV  
  M81969/14-02   20 GA INS/RMV  
  M81969/14-03   16 GA INS/RMV  
  M81969/14-04   12 GA INS/RMV  
  M22520/2-01   CRIMPER 22D GA  
  M22520/2-07   TURRET 22D GA  
  M22520/1-01   CRIMPER 20/16/12 GA  
  M22520/1-04   TURRET 20/16/12 GA  

STRAIGHT BACKSHELLS ALTERNATE SHELL SIZE
  M85049/49-2-08*   MS27506*8-2   9
  M85049/49-2-10*   MS27506*10-2   11
  M85049/49-2-12*   MS27506*12-2   13
  M85049/49-2-14*   MS27506*14-2   15
  M85049/49-2-16*   MS27506*16-2   17
  M85049/49-2-18*   MS27506*18-2   19
  M85049/49-2-20*   MS27506*20-2   21
  M85049/49-2-22*   MS27506*22-2   23
  M85049/49-2-24*   MS27506*24-2   25
      

90 DEGREE BACKSHELLS ALTERNATE SHELL SIZE
  M85049/47*08   MS27507*8   9
  M85049/47*10   MS27507*10   11
  M85049/47*12   MS27507*12   13
  M85049/47*14   MS27507*14   15
  M85049/47*16   MS27507*16   17
  M85049/47*18   MS27507*18   19
  M85049/47*20   MS27507*20   21
  M85049/47*22   MS27507*22   23
  M85049/47*24   MS27507*24   25
*SEE FINISH TABLE    

FINISH TABLE
M85049/49,47		 MS27506,7 FINISH
  –   A   BRIGHT CAD
  W   B   OLIVE DRAB
  A   C   BLACK ANODIZE
  N   F   ELECTROLESS NICKEL