MIL-DTL-38999 Series III Circular Connector D38999/24WA35SN with 500 Mating Cycles and 300g Shock Resistance

Price Negotiable
Price: 10$-150$ each
MOQ: 100pcs
Delivery Time: 2-9weeks
Brand: HIGH WOOD
Product Description
Product Overview

MIL-DTL-38999 Series III circular connectors featuring triple-start threaded quick connection with anti-loose mechanism. Designed for high-reliability applications in demanding environments.

Key Features
  • Compact design with small size and light weight
  • High-density contact configuration
  • EMI/RFI shielding for signal integrity
  • 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 sandstorm and damp environments
Ordering Information

Reference: D38999/24WA35SN

Component Code Description
Basic Series D38999/ MIL-DTL-38999 Series
Connector Type 24 Jam nut receptacle
Finish W Olive green cadmium plating
Shell Size 35 Size 35 (J)
Contact Type P Crimp pin
Orientation N Normal
Product Images
MIL-DTL-38999 Series III connector front view showing contact layout MIL-DTL-38999 Series III connector side profile with jam nut MIL-DTL-38999 Series III connector assembly view MIL-DTL-38999 Series III connector technical specifications
Shell Dimensions
Shell No. A (mm) B max (mm) C max (mm) D max (mm) E max (mm) F (mm) G Thread d (mm) p (mm)
09 16.50 9.90 3.20 30.50 24.00 27.00 M12*1-6g 17.70 16.99
11 19.30 9.90 3.20 35.20 27.00 31.80 M15*1-6g 20.88 19.53
13 24.00 9.90 3.20 38.40 32.00 34.90 M18*1-6g 25.58 24.26
15 27.20 9.90 3.20 41.60 36.00 38.10 M22*1-6g 28.80 27.53
17 30.40 9.90 3.20 44.80 37.00 41.30 M25*1-6g 31.98 30.68
19 33.40 9.90 3.20 49.30 41.00 46.00 M28*1-6g 35.15 33.86
21 36.50 9.90 3.20 52.70 46.00 49.20 M31*1-6g 38.28 37.06
23 39.70 9.90 3.20 55.90 50.00 52.40 M34*1-6g 41.50 40.24
25 42.80 9.90 3.20 59.00 51.23 55.60 M37*1-6g 44.68 43.41
Electrical Specifications
Contact Resistance & 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
  • 1GHz: minimum attenuation 85dB (F and W classes)
  • 10GHz: minimum attenuation 65dB (F class)
  • 10GHz: minimum attenuation 50dB (W class)
Withstanding Voltage
Service Rating M (V) I (V) II (V) N (V)
Sea Level 1300 1800 2300 1000
21000m 800 1000 1000 600
Insulation & Continuity
  • Normal insulation resistance: ≥ 5000 MΩ
  • Damp heat insulation resistance: ≥ 100 MΩ
  • Electrical continuity between shells:
  • W class: ≤ 2.5 mΩ
  • F class: ≤ 1.0 mΩ
  • K class: ≤ 5.0 mΩ
Mechanical Specifications
  • Shell materials: Aluminum alloy, stainless steel, or copper-alloy
  • Plating options: W class (olive green cadmium), K class (stainless steel passivated), F class (electroless nickel)
  • Insulator: Thermo-set plastic construction
  • Grommet and seal: Silicon rubber components
  • Contact material: Copper alloy with gold plating
  • Endurance: 500 mating cycles
  • Vibration performance: Sine 60g with temperature cycling (36 hours)
  • Random vibration: 44.1 grms (high temp), 49.5 grms (ambient)
  • Shock resistance: 300g peak acceleration at 3ms half sinusoid
  • Contact retention force: 22D# (45N), 20# (67N), 16# (111N), 12# (111N), 10# (111N)
Contact Layout Diagrams
Jam nut receptacle D38999/24 connector technical diagram MIL-DTL-38999 Series III contact layout configuration diagram MIL-DTL-38999 Series III pin arrangement schematic

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

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