MIL-DTL-38999 Series III Military Connector D38999/26WC35SN with 500 Cycle Endurance and 85dB EMI Shielding

Price Negotiable
Price: 10$-150$
MOQ: 100pcs
Delivery Time: 2-9weeks
Brand: HIGH WOOD
Product Description
MIL-DTL-38999 Series III Military Connector Overview
D38999/26WC35SN Product Features
  • Triple-start threaded quick connection with anti-loose mechanism
  • Compact design with small size and light weight
  • High-density contact configuration
  • EMI/RFI shielding capabilities
  • Removable crimp contacts for easy maintenance
  • Anti-oblique mating protection
  • Fireproof shell construction
  • Multiple coating options available
  • High-strength vibration performance under elevated temperatures
  • Suitable for harsh environments including sandstorm and damp conditions
Material Options

Shell materials: Aluminum alloy, naval brass, stainless steel, or composite materials

Ordering Information
Component Code Description
Basic Series D38999/ Military standard connector series
Connector Type 26 Shielding plug
Finish W Olive green cadmium plating
Shell Size 35 Size designation
Contact Type P Crimp pin
Orientation N Normal orientation
Product Images
MIL-DTL-38999 Series III connector front view MIL-DTL-38999 Series III connector side view MIL-DTL-38999 Series III connector angled view MIL-DTL-38999 Series III connector technical details
Shell Dimensions
Shell No. A (max) mm B Thread C (max) mm
09 31.00 M12*1-6g 21.80
11 31.00 M15*1-6g 25.00
13 31.00 M18*1-6g 29.40
15 31.00 M22*1-6g 32.40
17 31.00 M25*1-6g 35.60
19 31.00 M28*1-6g 38.50
21 31.00 M31*1-6g 41.70
23 31.00 M34*1-6g 44.90
25 31.00 M37*1-6g 48.00
Electrical Specifications
Contact Resistance and Current Rating
Contact ID Diameter (mm) Resistance (mΩ) Current (A)
22D# Φ 0.76 ≤ 12.0 5.0
20# Φ 1.00 ≤ 5.0 7.5
16# Φ 1.60 ≤ 2.5 13.0
12# Φ 2.40 ≤ 1.5 23.0
10# Φ 3.15 ≤ 1.0 40.0
EMI Shielding Performance
  • At 1GHz: minimum attenuation 85dB (F and W finishes)
  • At 10GHz: minimum attenuation 65dB (F finish)
  • At 10GHz: minimum attenuation 50dB (W finish)
Withstanding Voltage
Service Rating M I II N
Sea Level 1300V 1800V 2300V 1000V
21000m 800V 1000V 1000V 600V
Insulation Resistance
  • Normal conditions: ≥ 5000 MΩ
  • Damp heat conditions: ≥ 100 MΩ
Mechanical Specifications
Construction Materials
  • Shell: Aluminum alloy, stainless steel, or copper-alloy
  • Plating: W class (Olive green cadmium), K class (Stainless steel passivated), F class (Electroless nickel)
  • Insulator: Thermo-set plastic
  • Grommet and seal: Silicon rubber
  • Contact: Copper alloy with gold plating
Performance Characteristics
  • Endurance: 500 cycles
  • Vibration: Sine 60g with temperature cycling (36 hours)
  • Random vibration: 44.1 grms (high temp), 49.5 grms (ambient temp)
  • Shock: 300g peak acceleration at 3ms half sinusoid
Contact Retention Force
  • 22D#: 45N
  • 20#: 67N
  • 16#: 111N
  • 12#: 111N
  • 10#: 111N
Technical Diagrams
D38999/26 shielding plug technical diagram MIL-DTL-38999 contact layout diagram MIL-DTL-38999 connector configuration guide

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company High Wood Technology Development Co., Ltd
Location No.5001,Dongji Building B, No.1 Dongji Avenue, Jiangning, Nanjing, China
Contact Person Mike Huang

Request A Quote

Please check your email address.
Your message must be at least 20 characters.