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Honeywell 21EN321R1 Enclosed Micro Switch Connector

The Honeywell 21EN321-R1 is a robust, corrosion-resistant circular connector specifically designed for micro switch applications in demanding industrial environments. It incorporates leads embedded and sealed with epoxy casting resin, providing excellent environmental protection. The connector is designed to mate with the MS 27653T9F98SA receptacle and features a corrosion-resistant steel enclosure. Its durable construction and sealed design make it suitable for use in applications where reliability and protection from harsh conditions are critical, such as aerospace, military, and heavy industrial equipment.

Authorized Distributors
Source:Newark
Part No:21EN321-R1
Stock:1
Inv Date:06-01-2026
Price: Unit price: $1719.34
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Source:DigiKey
Part No:21EN321-R1
Stock:0
Inv Date:06-01-2026
Price: Unit price: $1714.59
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Part No:21EN321-R1
Stock:0
Inv Date:06-02-2026
Price: Unit price: $1574.11
Buy/RFQ:
Part No:21EN321-R1
Stock:1
Inv Date:06-01-2026
Price: Unit price: $1340.04
Buy/RFQ:

Honeywell 21EN321R1 Enclosed Micro Switch Connector Specifications:

  • Mfg_Code: 919289
  • Circuit_Diagram: See picture
  • Roller_Bushing_Guide_Housing: 0.470
  • Widest_Steel_Corrosion_Roller: 0.12
  • Mounting_Angle: 90° with receptacle
  • Non_Adjustable_Diameter: 0.072
  • Width_x_Thickness: 0.004 x 0.038
  • Keyway_Within: 0.250
  • Hex_Nut_Material: Corrosion Resistant Steel
  • Shoulder_Across_Flats: 0.812
  • Thickness: 0.125
  • Pin_Diameter: 0.118
  • Pin_Length: 0.30
  • Pin_Width: 0.1445
  • Pin_Thread: 5/8-24UNEF
  • Internal_Tooth_Material: Corrosion Resistant Steel
  • Lock_Washer_Dimensions: 0.87 x 0.022
  • Nut_Material: Corrosion Resistant Steel
  • Receptacle_Part_Number: MS 27656T9F98PA
  • Mating_Receptacle_Part_Number: MS 27653T9F98SA
  • Leads_Embedded_Sealed: Epoxy casting resin
  • Enclosure_Material: Corrosion Resistant Steel
  • Switch_Sealed_Per: MIL-PRF-8805
  • Polarizing_Key_Position: Receptacle
  • Operating_Force: 6-12 LB
  • Overtravel_Force: 30 LB Max
  • Release_Force: 4 LB Min
  • Voltage_Rating: 28 VDC
  • Load_Altitude: Sea Level to 50,000 FT
  • Overtravel_Differential_Travel: 0.010 Max
  • Material_Standard: Commercial Standard
  • Protective_Coatings: Applied

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Frequently Asked Questions

Where can I buy Honeywell 21EN321R1?

You can click on the BUY or RFQ button to purchase 21EN321R1 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 21EN321R1?

You can download the 21EN321R1 datasheet or visit the Honeywell website for support.

Who is the manufacturer of 21EN321R1?

Honeywell

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