The EHC Transilliuminated Control Knobs form part of the the EHC TL Series. Providing Large Tactile Control Knobs belonging to the MS21385 Knob Series.
EHC Backlit Control Knobs are ideal for Avionic apps, where coding is not practical - Meeting MS specification & Government drawing requirements.
KEY FEATURES
• Tactile Control Knobs
• Night Vision Lighting
• Meets NVIS Green A Requirements
The EHC TL Control Knobs offer LED & Night Vision versions.
EHC TRANSILLUMINATED TL SERIES CONTROL KNOBS
The EHC TL Control Knobs are large tactile knobs, based on the MS91528 tactile control knobs, offering a unique tactile feel.
Suitable for avionic
equipment color coding was not practical, this exact same series of
knobs has been duplicated in a smaller size (See the EHC TS Series). With
avionics equipment constantly shrinking in order to fit more in the
cockpit, a small size knob was desirable.
These EHC Backlit Control Knobs belong to the MS
21385 series of knobs. The EHC TL Series meets the requirements of the MS
specification and the Government drawing requirements. All of the EHC Backlighted Knobs can be manufactured for night vision use & meet NVIS Green A requirements.
Specifications
Style No: 8501
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Style No: 8502
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Style No: 8503
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Style No: 8504
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Style No: 8505
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Style No: 8506
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Style No: 8507
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Style No: 8508
Base Diameter: 0.88
Height: 0.75
Min Nut Clearance Diameter: 0.38
Nut Clearance Depth: 0.16
Set Screws 1/8: MS51021-102
Set Screws 1/4: MS51021-132
Design Variations
• Part 8507 is available with or without “Grip/Pull”serations on the sides
• Set screw locations can vary
• Markings and color can vary (see page4T)
• Nut clearance depth and diameter can vary
• See part number system for shaft hole designation