TGG.1K.305.GLAC40Z 1K Watertight Plug: 5-Pin IP68 Push-Pull Connector Replaces S21K0C-P05MFD0-400S | 120pcs to Brazil

Looking for a rugged IP68 1K watertight plug that can replace your current S21K0C-P05MFD0-400S connector? The TGG.1K.305.GLAC40Z is a 5-pin 1K Series watertight push-pull plug — 120 pieces shipped to Brazil after the customer confirmed it as a complete drop-in replacement for their existing connector. Rated IP68 with 360° EMC shielding, this 1K watertight plug delivers reliable performance in outdoor and harsh industrial environments.

o 1K Series watertight connector family offers a rugged, self-latching push-pull solution for outdoor applications requiring IP68 watertightness. With integral sealing in both plug and socket, chrome-plated housing resistant to 1000+ hours of salt spray, and multi-key polarization, the 1K Series is engineered for extreme working conditions.

1. Product Overview: TGG.1K.305.GLAC40Z Specifications

The TGG.1K.305.GLAC40Z is a 1K Series straight plug with bend relief, designed for 5-pin watertight multipole connections.

  • Series: 1K (K-Series watertight multipole)
  • Model: TGG.1K.305.GLAC40Z
  • Type: Straight plug with bend relief
  • Contact count: 5-pin
  • Replaces: S21K0C-P05MFD0-400S (confirmed drop-in replacement)
  • IP rating: IP68 (mated) / IP66
  • Latching: Push-pull self-latching
  • Shell plating: Chrome plated — 1000+ hours salt spray resistance
  • EMC protection: 360° screening for full shielding
  • Keying: G-key standard, multiple key options to prevent cross-mating

1.1 Key Technical Benefits

  • Drop-in replacement: The TGG.1K.305.GLAC40Z completely replaces S21K0C-P05MFD0-400S — verified by the customer through sample testing in July
  • IP68 watertight: Integral sealing in both plug and socket provides reliable operation in rain, splash, and temporary submersion
  • Rugged construction: Chrome-plated housing withstands 1000+ hours of salt spray corrosion — ideal for coastal and marine environments
  • Push-pull self-latching: Tool-free secure connection with audible feedback, essential for field-deployed equipment
  • High contact density: 5-pin configuration in a compact 1K shell size saves panel space

2. Application: Outdoor & Harsh Environment Equipment

The customer in Brazil tested the TGG.1K.305.GLAC40Z sample and confirmed it could completely replace their existing S21K0C-P05MFD0-400S connector — leading to an initial production order of 120 pieces.

2.1 Why Watertight Push-Pull Connectors?

  • Outdoor reliability: IP68 rating ensures connectors withstand rain, humidity, and temperature extremes
  • Corrosion resistance: Chrome plating passes 1000+ hour salt spray testing for coastal and industrial environments
  • Secure connection: Self-latching mechanism prevents accidental disconnection from vibration or cable pull
  • Quick field replacement: Tool-free mating simplifies maintenance and equipment servicing

2.2 Customer Order Details

  • Product: TGG.1K.305.GLAC40Z straight plug with bend relief
  • Quantity: 120 pieces
  • Destination: Brazil
  • Status: Sample tested in July, confirmed as replacement for S21K0C-P05MFD0-400S
  • Delivery: Goods shipped — customer satisfied with performance

3. 1K Series Watertight Connector Family Overview

The K-Series is a family of watertight multipole push-pull connectors available in 0K and 1K shell sizes, designed for applications requiring IP68 protection and mechanical ruggedness.

3.1 Series Characteristics

  • Shell sizes: 0K (compact) and 1K (standard) — covering 2 to 26 contacts
  • Contact configurations: LV (low voltage), solder, PCB straight, PCB elbow
  • Waterproof rating: IP68 mated / IP66 unmated with integral sealing
  • Latching: Push-pull self-latching with positive engagement
  • Keying system: G-key (standard) plus multiple key options for cross-mating prevention
  • Corrosion resistance: Chrome-plated finish — 1000+ hours salt spray
  • Shielding: 360° EMC screening for interference-free signal transmission

3.2 Configuration Options

  • Plug types: Straight plug with bend relief (TGG), right-angle plug (THG), with lanyard release (TNG)
  • Receptacle types: Fixed socket (ZGG/MGG), watertight panel rear mount (NGG)
  • Contact termination: Solder cup, PCB straight, PCB elbow 90°

3.3 Customization Services

  • Cable assembly: Custom cable lengths with pre-terminated 1K connectors and overmolding
  • Custom inserts: Specific pin arrangements, mixed contact configurations
  • Special materials: Shell plating options (nickel, black chrome), dust caps, custom colors

4. Common Questions About 1K Watertight Plugs (FAQ)

Q1: What is the exact replacement compatibility between TGG.1K.305.GLAC40Z and S21K0C-P05MFD0-400S?

The TGG.1K.305.GLAC40Z is a confirmed drop-in replacement for S21K0C-P05MFD0-400S. The customer verified this through sample testing in July before placing a 120-piece production order. The electrical specifications, mounting dimensions, and pin configuration are fully compatible.

Q2: What IP rating does the 1K Series watertight plug provide?

The 1K Series offers IP68 protection when mated and IP66 when unmated with the dust cap installed. This makes it suitable for outdoor installations, marine equipment, and industrial environments exposed to rain, splash, and temporary submersion.

Q3: Is the 1K series compatible with LEMO connectors?

The K-Series watertight connector family offers excellent compatibility with many leading supplier systems. For specific LEMO interchangeability requirements, please contact our engineering team at [email protected] with your application details.

Q4: How does the chrome plating resist corrosion in coastal environments?

The chrome-plated finish on the 1K Series has passed 1000+ hour salt spray corrosion testing, making it ideal for coastal, offshore, and marine applications where standard nickel-plated connectors would fail within weeks.

Q5: What is the typical lead time for 1K Series orders?

Standard orders of TGG.1K.305.GLAC40Z typically ship within 20 working days. Larger quantities (500+ pcs) may require 40 working days. Rush orders and express shipping options are available — contact our sales team for confirmation.

5. Conclusion & Call to Action

o 1K watertight plug TGG.1K.305.GLAC40Z is a field-proven IP68 push-pull connector, confirmed as a complete replacement for S21K0C-P05MFD0-400S through customer testing in Brazil. With rugged chrome-plated construction, 360° EMC shielding, and tool-free self-latching, this 1K Series connector delivers reliable performance for outdoor, marine, and industrial applications.

Spring Technology is a professional push-pull connector manufacturer specializing in watertight and multipole connector R&D, production, and sales. We offer customization services for both connectors and cable assemblies to meet your specific technical requirements.

For more information about our 1K Series watertight connectors or to discuss your requirements, contact us at [email protected] or [email protected], or visit our website.

Need a reliable IP68 watertight connector for your outdoor equipment? Request samples, pricing, or replacement compatibility testing — our engineering team is ready to help.

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For inquiries, contact us at [email protected] or visit https://www.spring-connectors.com.

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