Series Available

Cylindrical

 • Amphenol 97 (Solder)

 • Amphenol 97 (Crimp)

 • Amphenol 97E (Env.)

 • Amphenol JT

 • Amphenol LJT

 • Amphenol TV

 • M5015 Solder

 • M5015 Crimp

 • M22992 Class L

 • M22992 Series QWLD

 • M26482 Series I

 • M26482 Series II

 • M26500

 • M27599 (Solder)

 • M28840

 • D38999 Series I

 • D38999 Series II

 • D38999 Series III

 • D38999 Series III RJ45

 • D38999 Series III USB

 • M81511 Series I & II

 • M83723 Series III

 • 80 Series Mighty Mouse

Rack & Panel

 • M55302

RF

 • M39012

 • View Catalog

Micro D-Sub

 • M83513

Backshell

 • M85049

Contacts & Termini

 • M39029

 • Coax, Twinax, Triax

 • M29504 Termini

Circuit Protection

 • Raychem PolySwitch

Tooling

 • Crimp Tools

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MIL-DTL-38999 Series I Cylindrical Connectors

D38999 Connectors > D38999 Series I

Description

High performance capability for both general duty and severe environmental applications. This series is also known as the LJT series, which is the Amphenol proprietary name. MIL-DTL-38999 Series I has a longer, scoop-proof shell profile than MIL-C-38999 Series II.

Applications

  • Military Aerospace
  • Commercial Aircraft
  • Military Vehicles

Standards & Requirements

Crimp style MS versions meet or exceed MIL-DTL-38999 Series I. Solder style MS versions meet or exceed MIL-C-27599 Series I.

Coupling & Mounting

3 point bayonet coupling and 5 key / keyway mating.

Contact Termination

MIL-DTL-38999 Series I is crimp termination. MIL-C-27599 Series I is solder termination. Both have recessed pins (100% scoop-proof feature minimizes contact damage).

Performance & Environmental Effect

Operating temp. from –65°C to +200°C. EMI shielding is achieved with standard grounding fingers. IP67 rating for environmental sealing. Operating voltage to 900 VAC (RMS) at sea level.

Optional Features

  • 6 shell styles with 90 insert patterns.
  • Hermetic seal (glass fusion) receptacle styles available.
  • Crimp termination (MIL-DTL-38999, I) has most options.
  • Fixed solder termination (MIL-C-27599, I) also available.
  • Variety of shell finishes.
  • Twinax, coax, triax, filter contacts and fiber optic termini options.
  • Printed circuit board contacts, wire wrap, compliant press-fit and thermocouple contacts.
  • Flex termination assemblies for attachment to PCB boards.
Common Military & Commerical Equivalents
Military Commercial
MS27466 LJT00R
MS27467 LJT06R
MS27468 LJT07R
MS27469 LJT00Y
MS27470 LJT07Y
MS27471 LJT1Y
MS27472 JT00R
MS27473 JT06R
MS27474 JT07R
MS27475 JT00Y
MS27476 JT02Y
MS27477 JT07Y
MS27478 JT1Y
MS27479 JTS00R
MS27482 JTS00Y
MS27483 JTS07Y
MS27484 JTG06R
MS27496 LJT02R
MS27497 JTQ99R
MS27499 JT02R
MS27500 JT08R
MS27503 JTS1Y
MS27505 LJTP02R
MS27508 JTP02R
MS27656 LJPQ00R
LJT00RP1135S, LJT00RT1505P, LJT06RE1135P, MS27466T11B35P, MS27466T13B35P, MS27466T15B35P-LC, MS27466T15B97P-LC, MS27466T23B21P, MS27466T9B35P, MS27466T9B98P, MS27466T9B98P-LC, MS27467E15B19P, MS27467E9F35S-LC, MS27467T11B35P, MS27467T11B35PA, MS27467T11B35P-LC, MS27467T11B35S, MS27467T11B35SA, MS27467T11B35S-LC, MS27467T11B5S, MS27467T11B98S, MS27467T11B99S, MS27467T11F35P, MS27467T13B35S, MS27467T13B35S-LC, MS27467T13B4S, MS27467T13B8S, MS27467T13B98S, MS27467T13F35S, MS27467T13F4S, MS27467T15B18S, MS27467T15B35P, MS27467T15B35PB, MS27467T15B35S, MS27467T15B5S, MS27467T15F18SA, MS27467T15F35P, MS27467T15F35S, MS27467T15F5S, MS27467T17B26S, MS27467T17B35P, MS27467T17B35S, MS27467T17B35SA, MS27467T17B35S-LC, MS27467T19B11S, MS27467T19B35P, MS27467T19B35S, MS27467T21B35P, MS27467T21B35S, MS27467T23B21S, MS27467T23B35P, MS27467T23B35PD, MS27467T23B35PD-LC, MS27467T23B35S, MS27467T23B53S, MS27467T25B29P, MS27467T25B35P, MS27467T25B35PA, MS27467T25B35S, MS27467T25B35S-LC, MS27467T25B46PA, MS27467T25F2P, MS27467T25F35S, MS27467T9B35P, MS27467T9B35S, MS27467T9B35S-LC, MS27467T9B98S, MS27467T9B98S-LC, MS27467T9F35S, MS27467T9F98S, MS27468E17A26P, MS27468P11B35PA, MS27468P15B35S, MS27468T11B35P, MS27468T11B35S, MS27468T13B35S, MS27468T13B35SA, MS27468T13B4P, MS27468T15B35S, MS27468T15B5S, MS27468T15F18S, MS27468T15F35S, MS27468T17B26P, MS27468T17B26S, MS27468T17B35B, MS27468T17B35P, MS27468T17B35SA, MS27468T17B6P, MS27468T19B35P, MS27468T21B35S, MS27468T23B53P, MS27468T23B55P, MS27468T9B35P, MS27468T9B35S, MS27468T9B35SA, MS27478Y8D6P, MS27505E11B35P, MS27505E13B35P, MS27505E13B4P, MS27505E13B98P, MS27505E17B35A, MS27505E17B35S, MS27505E17B35SA, MS27505E17B6A, MS27505E25B35AA, MS27505E25B35AC, MS27505E25B35P, MS27505E25B35PA, MS27505E25B35PB, MS27505E25B35PC, MS27505E25B35PD, MS27656T11B35P, MS27656T11B35S, MS27656T11B35S-LC, MS27656T11B98P, MS27656T13B22S, MS27656T15B35P, MS27656T15B35S, MS27656T15F18A, MS27656T17B35P, MS27656T17B35S, MS27656T17B6P, MS27656T19B35P, MS27656T19F11P, MS27656T21B35P, MS27656T25B35A