Skip to content

Hoppe 90-Degree Profile Cylinder with Crescent Knob – 40.5mm/40.5mm

SKU:

Original price $124.96 - Original price $195.20
Original price
$124.96
$124.96 - $195.20
Current price $124.96
  • Type: 90-Degree Profile Cylinder with Crescent Knob
  • Housing Length: 40.5mm / 40.5mm – 3-1/8" (81mm) overall
  • Inside Distance: 1-19/32" (40.5mm)
  • Outside Distance: 1-19/32" (40.5mm)
  • Door Thickness: For doors 2-1/8" to 3" (54mm to 76mm) thick
  • 90-degree thumb turn position indicates locked/unlocked status at a glance
  • Can be converted to 360-degree rotation
  • Typically used on panels 2-1/2" (63.5mm) thick
  • Some finishes feature Resista no-tarnish coating
  • Some colors may be special order with longer shipping times
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Not sure this is the right part?
Before you order, if you'd like confidence this is the right part for your job, please fill out our multipoint lock identifier form or call us at (816) 221-6543.
*We have a fully-staffed customer support team happy to help!

Hoppe 90-Degree Profile Cylinder – Crescent Knob (414040010)

This Hoppe 90-degree profile cylinder with crescent knob is designed for multipoint lock systems on doors ranging from 2-1/8 to 3 inches thick. The 90-degree thumb turn design allows you to quickly see whether your door is locked or unlocked just by looking at the thumb turn position.

The cylinder features a balanced 40.5mm inside and 40.5mm outside configuration, giving an overall housing length of 3-1/8 inches (81mm). This makes it ideal for door panels approximately 2-1/2 inches thick. If needed, this cylinder can be converted from 90-degree to 360-degree rotation.

Technical Information

  • Inside Distance: 1-19/32 inches (40.5mm)
  • Outside Distance: 1-19/32 inches (40.5mm)
  • Overall Length: 3-1/8 inches (81mm)
  • Door Thickness Range: 2-1/8 to 3 inches (54mm to 76mm)
  • Thumb Turn Style: Crescent Knob
  • Rotation: 90-degree (convertible to 360-degree)

Notes

  • Some finishes are Resista no-tarnish finishes (indicated by -R suffix)
  • Available finishes: Rustic Umber (F8709), Oil Rubbed Brass (F79), Matte/Flat Black (F9714), Antique Brass, Polished Brass (F77-R), Brushed Chrome (F41-R), Satin Nickel (F42-R)
  • Some colors may be special order with longer shipping times

Installation Instructions

  • Remove the thumb turn
  • Insert auxiliary tool and pull down on release tab
  • Turn cam and insert into lock
  • Replace thumb turn

Fill out our MPL form or call us to ensure accurate purchasing and correct fit.

Frequently Asked Questions

How do I know if my door is locked with this cylinder?

The 90-degree thumb turn design allows you to see at a glance whether the door is locked or unlocked based on the thumb turn position.

Can I convert this cylinder to 360-degree rotation?

Yes, this 90-degree cylinder can be converted into a 360-degree cylinder if needed.

What door thickness does this cylinder fit?

This cylinder is designed for doors that are 2-1/8 to 3 inches thick, and is typically used on panels approximately 2-1/2 inches thick.

At mplocks.com, we strive to provide fast, reliable, and fairly priced shipping. Below you'll find our standard shipping details, important notes, and packing practices.

Standard Shipping Rates

Shipping applies to the contiguous U.S. (orders to Alaska and Hawaii require a custom quote):

  • $11.95 – USPS First Class (5–10 business days)
  • $12.95 – USPS Priority Mail (3–6 business days)
  • $19.50 – UPS Ground (2–5 business days)

📦 Rates typically cover packages up to 4 lbs. Oversized or heavier items may incur additional charges.

Processing Times

  • Most orders ship within 2–5 business days of purchase.
  • If your order is delayed, we'll notify you promptly.

Important Notes on Shipping Costs

  • Certain items may have higher shipping costs due to weight or dimensions.
  • We reserve the right to adjust shipping fees. If this applies to your order, we'll contact you for approval before proceeding.
  • If you choose not to accept revised shipping charges, we may cancel your order at our discretion.

Backorders & Billing

  • All credit cards are charged within 72 hours of purchase.
  • This includes orders that contain backordered items.

Our Packing Standards

We take great care to ensure your order arrives safely and securely.

  • Whenever possible, we use recycled paper, cardboard, and eco-friendly packaging materials.
  • Many of our products are purchased in bulk and may not include retail packaging or barcodes. In these cases, items may be repackaged in secure, plain boxes.
  • Hardware ships in retail or contractor-grade packaging when available.
  • Every item is inspected prior to shipping, and additional packing is used if needed.

Quality Guarantee

All items are brand new unless specifically noted. If something is not right, we'll work to make it right—through repair or replacement.

⚠️ Please note: shipping costs are non-refundable.

If you have questions about shipping rates, timelines, or packaging, please contact us before placing your order.

Illustration of a teal building with a roof and entrance on a white background
Authorized Retailer

Ensuring Quality and Compatibility

Black silhouette of a person wearing a headset on a white background
Need Help?

Contact our support team today

American flag with stars and stripes
Veteran Owned

Committed to Service and Integrity