Hoppe 90° Profile Cylinder with Crescent Knob – 31.5/31.5mm, Schlage Keyway

SKU:

$117.36 - $184.86

$117.36

$117.36 - $184.86

$117.36

Type: 90° Profile Cylinder with Crescent Knob (New Style)
Keyway: Schlage
Door Thickness: 1-3/4" (44.5mm)
Inside Distance: 1-1/4" (31.5mm)
Outside Distance: 1-1/4" (31.5mm)
Overall Length: 2-1/2" (63mm)
90° thumb turn position indicates locked/unlocked status at a glance
Can be converted to a 360° cylinder
Available in multiple finishes including No-Tarnish Resista options
Some finishes may be special order with longer shipping times
Sold individually

Quantity

Not sure this is the right part?

Before you order, if you'd like confidence this is the right part for your job, please call us at (816) 221-6543 .

*We have a fully-staffed customer support team happy to help!

Product Details

Hoppe 90° Profile Cylinder – 31.5/31.5mm (413131010)

This Hoppe 90° Profile Cylinder with Crescent Knob provides an easy way to tell if your door is locked or unlocked just by looking at the thumb turn position. Designed for standard 1-3/4 inch thick doors, this cylinder uses a Schlage keyway for convenient rekeying compatibility.

The new style 90-degree design offers improved visual feedback compared to traditional 360-degree cylinders. However, if you prefer the full rotation, this cylinder can be converted to a 360-degree configuration.

Technical Information

Inside Distance: 1-1/4 inches (31.5mm)
Outside Distance: 1-1/4 inches (31.5mm)
Overall Length: 2-1/2 inches (63mm)
Door Thickness: 1-3/4 inches (44.5mm)
Keyway: Schlage
Thumb Turn Style: Crescent Knob

Installation Instructions

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

Notes

Available Finishes: Antique Brass (F73), White (F9010), Flat Black/Matte Black (F9714), Rustic Umber (F8709), Oil Rubbed Brass (F79)
No-Tarnish Resista Finishes: Polished Brass (F77-R), Polished Chrome (F49-R), Brushed/Satin Chrome (F41-R), Brushed/Satin Nickel (F42-R), Antique Nickel/Pewter (F44-R)
Some finishes may be special order with longer shipping times

Sold individually.

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 position of the crescent knob.

Can I convert this to a 360-degree cylinder?

Yes, this 90-degree cylinder can be converted into a 360-degree cylinder if you prefer full rotation.

What door thickness does this cylinder fit?

This cylinder is designed for standard 1-3/4 inch thick doors with a total cylinder length of 2-1/2 inches.

Shipping & Returns

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.

Videos

Authorized Retailer

Ensuring Quality and Compatibility

Need Help?

Contact our support team today

Veteran Owned

Committed to Service and Integrity