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Red nylon female disconnect terminals, pack of 100

3M

3M MNU18-187DFIX Female Disconnect Red 18-22 AWG PK100

SKU CH-25WP-G2TFZ

Red female disconnect terminals accept 18-22 AWG wire, crimp termination, 600 V rating, pack of 100

  • Product typeElectrical Connectors
  • Fits 18-22 AWG wire for secure crimp connections
  • Red nylon insulation identifies circuit and provides full coverage
  • Brass female disconnect accepts .187 in tab for quick disconnects
  • Rated 600 V and 221 °F for demanding electrical environments
  • Pack of 100 terminals supports high-volume wiring projects

3M Female Disconnects for 18-22 AWG Wire

These 3M female disconnect terminals accept 18 to 22 AWG wire with a crimp termination. The brass contacts feature a butted seam and full nylon insulation in red. Each terminal fits a 0.187 inch wide by 0.02 inch thick tab. The pack contains 100 pieces for wiring harness assembly or repair work.

Replaces Worn or Damaged Crimp Terminals

Use these disconnects when existing terminals show corrosion, heat damage or loose tab retention. The 600 volt rating and 221 degree Fahrenheit temperature limit match many automotive and industrial circuits. The jump is worth it when a full-insulation barrel and CSA, UL and RoHS compliance are required for the installation.

Simple Crimp Installation with Basic Tools

Strip the wire to suit the 0.085 inch barrel diameter and crimp with a standard ratchet tool for 18-22 AWG. The butted seam demands even pressure all round to avoid a loose joint. The main error is under-crimping, which leaves the terminal able to pull off the wire or overheat in service.

How it compares

Measured against everything we stock in Wire, Cable & Wiring Supplies, at today’s prices. Recalculated every night.

Price $92.99
Pricier than about 83% of the 1,610 comparable items (median $25.99).

Specifications

Product
Brand name3M
Product typeElectrical Connectors

Questions about this item

What tab width does the 3M MNU18-187DFIX female disconnect accept?

The disconnect accepts a tab width of 0.187 in and a tab thickness of 0.02 in for a secure connection.

How do I correctly crimp the 3M MNU18-187DFIX terminal onto 18-22 AWG wire?

Strip the wire, insert it fully into the 0.085 in barrel inside diameter, and use a proper crimp tool; the common error is not seating the wire completely before crimping.

When should I replace a 3M MNU18-187DFIX disconnect after installation?

Replace the disconnect if the nylon insulation shows heat damage above 221 Degrees F, the brass contact is corroded, or the crimp joint becomes loose over time.

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