PG21 Gray Nylon Standard Flex Multi-Hole (4 Holes) Cable Gland | Cord Grip | Strain Relief CF21A8-GY

Sealcon #: CF21A8-GY
Color: Gray
Material: Nylon
Number of Holes: 4
Diameter of Holes: 0.2" (5.2 mm)
Insert Part Number: 1.089.2107.19
Hummel: HSK-K-Flex
Hummel #: * Custom

Locking Nut & O-Ring Sold Separately

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Body Length (B)1.22" (31 mm)
Thread Length (D)0.55" (14 mm)
Wrench Flat (F1)1.3" (33 mm)
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  • Features

  • Flame protected – V0 Rated according to UL 94Halogen- and Phosphorous free materials
  • Safety – Ratchet to prevent Dome from coming loose under vibration
  • Large Selection – Cable Range from .08″ (2mm) to 1.38″ (35mm)
  • Non-Corrosive – Resistant to salt water, weak acids, weak alkalis, alcohol, esters, ketones, ether, gasoline, mineral, animal & vegetable oil.
  • Durable – Rugged Construction
  • Environmentally compliant – RoHS & Deca BDE

This Nylon Strain Relief (Cable Gland) with PG 21 Thread will provide your application with a product made of exceptional quality

The self locking ACME thread on the dome and flex top ensures that the overlapping splines apply a concentric seal, thereby preventing the form seal from being pulled out of the fitting & ensuring pull-out protection of your cable without damaging it.



  • Materials
    • Fittings: Nylon 6/6
    • Form Seal: Elastomer
    • Optional ORing: Buna-N, FPM or Silicone
    • Optional Seal Ring: Polyethylene or Fiber-Reinforced Plastic
    Operating Temperature
    -40C° to 100C° (-40°F to 212°F)
    Available Colors
    Black (RAL 9005);Gray (RAL 7035)

    Nylon 6/6: V0-rated - Flame resistant, halogen and phosphorous free, self-extinguishing, non-toxic, fungus resistant.

    UL F1 UV Stable Rating for outdoor applications (Black Nylon version only).

    All Multi-Hole Fittings in Nylon and Nickel Plated Brass have UR (ONLY)