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MS27505 MIL-DTL-38999 Connectors for Extreme Environments

MOQMOQ >200
>Number Of CoresNumber Of Cores 2-128Pin
Contact DiameterContact Diameter(mm) 0.8mm-2.7mm
IP RatingIP Rating IP67
Shell MaterialShell Material Aluminum Alloy
Temperature RangeTemperature Range -55℃ ~ +125℃
TerminationTermination Solder/Crimp
Rated CurrentRated Current(A) 3A/7.5A/23A
Rated VoltageRated Voltage(Ac.V) 600V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) ≥5000MΩ
Contact ResistanceContact Resistance (MΩ) ≤5MΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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MS27505 Series Connectors: MIL-DTL-38999 Series I Box Mount Receptacles

Engineered to meet MIL-DTL-38999 Series I military standards, the MS27505 series is a versatile box mount receptacle designed for flexible, space-efficient panel integration in aerospace, defense, and industrial applications. We cover the full MS27505 product line with multiple pin count options (2–128 pins) — paired seamlessly with M39029 terminals for reliable, high-performance connection solutions.

MS27505 Connector


MS27505 Series Models (Full Lineup and Multi-Pin Options)
We offer the complete range of MS27505 connectors with pin counts spanning 2 to 128, including popular configurations like:
MS27505T12B2PA: Small sensor signal transmission in lightweight UAV equipment
MS27505T16F22PB: Industrial control module signal collection
MS27505E18A35PC: Aerospace avionics panel data integration
MS27505T20B51PD: Marine offshore monitoring platform multi-channel data transmission
MS27505E24F128PE: Ultra-high density avionics system electronic integration

Industrial Connector

Core Advantages
Rear Box Mount for Flexible Installation

The MS27505’s rear box mount design fits compact panels with ease, supporting both crimp and solder termination. It’s ideal for space-constrained setups like aerospace avionics bays and military communication enclosures.

Military Connector


MIL-Spec Durability for Harsh Environments

Constructed with aluminum/stainless steel housing (500+ mating cycles, salt-spray resistant), it features PPS/PEI insulation and IP67 sealing. It performs reliably from -55℃ to +125℃, adapting to high-vibration, extreme-temperature, or marine offshore scenarios.

Circular Connector


Quick Bayonet Locking + High-Density Compatibility

Equipped with a 1/4-turn bayonet lock (anti-mislocation, secure mating), it’s available in 2–128 pin configurations (0.8mm–2.7mm contacts). It pairs seamlessly with M39029 terminals, supporting small sensor signals and complex multi-channel systems alike.

Connector


Ideal Use Cases
Aerospace cabin avionics panels
Military communication equipment enclosures
Marine offshore monitoring systems
High-vibration industrial control panels

Defense equipment interfaces


Custom Solutions and Support

We offer tailored MS27505 configurations to match your needs. Our engineering team provides one-on-one model selection, technical guidance, and seamless integration support.
Contact us now to request a quote or detailed datasheet - global shipping with fast lead times to keep your projects on track.

 Item

 Parameters

 Number of Cores

 2-128Pin

 Gender

 Male/Female

 Housing Material

 Aluminum Alloy

 Cores Material

 Brass Plated with Gold

 Insulator Material

 PEI/PPS

 Locking System

 Bayonet Locking

 Temperature Range

 -55℃, +125℃

 Rated Current (A)

 3A/7.5A/23A

 Rated Voltage (AC.V)

 600V

 Test Voltage (AV.C)1Min

 1500V

 Insulation Resistance (㏁)

 ≥5000㏁

 Contact Resistance (㏁)

 ≤5㏁

 Termination

 Solder/Crimp


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Customer Reviews

   

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   Accurate Contact Alignment!!!


SkyRidge  2026-02-04

Pins and sockets line up perfectly, ensuring secure and reliable connections.
   Built for Longevity


EchoTrailblaze  2026-02-04

These connectors withstand repeated use while maintaining excellent performance.
   Exceptional Mechanical Strength


StarCompass  2026-02-04

MS27505 Connectors are extremely robust and perform flawlessly in demanding conditions.
   good for Critical Equipment


NorthboundPilot  2026-02-04

Highly dependable MS27505 Connectors, perfect for mission-critical projects and professional setups.
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