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Cal-Royal  |  SKU: CALR-NM8453-SE-LH-US10B

Cal-Royal - NM8453 - NM Series Heavy Duty Entrance Mortise Lockset with 2-3/4" Backset - Grade 1

$28130 $35163
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Color: US10B - Dark Oxidized Satin Bronze Oil Rubbed (613)
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All orders are shipped between 24 hours or less Monday through Friday from 9:00 am to 6:00pm. Orders placed after 5 p.m. EST will be shipped next business day. 
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Return Policy

At Locksmith Keyless, we prioritize your satisfaction and offer a simple return process. Returns are accepted within 30 days of purchase for unused items in original packaging. Certain items, including OEM keys, Lishi tools, and customized orders, are non-returnable. A restocking fee of up to 30% may apply. For a full list of non-returnable items and more details, please refer to our complete return policy.

For damaged, missing, or incorrect items, please contact us within 48 hours of delivery. All returns require an RMA number. Shipping costs for returns are the responsibility of the customer.

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Description

Cal-Royal - NM8453 - NM Series Heavy Duty Entrance Mortise Lockset with 2-3/4" Backset - Grade 1

Latch bolt retracted by key outside and inside lever when outside lever is locked. Outside lever retracts latch bolt unless outside lever is locked by operating toggle button. Outside lever is locked and unlocked by toggle button. Key outside locks outside lever only. When latch bolt is retracted by inside lever, outside lever remains locked. Auxiliary latch deadlocks latch bolt when door is closed. Inside lever is always free for immediate exit.

Features:
  • BHMA Certified Lifetime Warranty, GRADE 1.
  • Conforms to federal specification type 86; and to all dimensional and operational performances of ANSI A156.13-1 80, Series 1000, Extra Heavy Duty.
  • UL listed 3-hour rating, conforms to standards UL10C and UBC 7-2-1997.
  • Optional Interchangeable Core.
  • Rust-proof heavy duty 2-3/4" backset lock case.
  • Forged brass lever handles exceed requirements of ADA (American Disability Act).
  • Individual spring to prevent lever sag, easily reversible.
  • Auxiliary latch bolt.
  • Armored front plate conceals lock mounting screws.
  • 1" throw heavy duty deadbolt with anti-saw hardened pins.
  • Heavy duty 3/4" latch bolt with anti-friction latch, easily reversible.
  • Optional Electrified Locks available.
  • Conforms & Meets ADA Regulations.
Specifications:
Function Entrance
Door Thickness 1-3/4"
Backset 2-3/4"
Lockcase Heavy gauge zinc chromate steel
Front Heavy gauge steel 8" x 1-1/4" x 3/32". Accommodates flat doors & doors beveled 1/8" in 2"
Armored Front Wrought brass attached by machine screws to lockcase front
Deadbolt 1" throw, brass, chrome plated with hardened steel rollers
Latchbolt Brass, chrome plated with heavy-duty deadbolt
Guardbolt Extruded brass, chrome plated
Stopworks Rocker type, brass, chrome plated
Strike Brass, non-handed curved strike 4-7/8" x 1-1/4". Curved-up strike available upon request
Handing Right
Left
Trim Design SS Sectional
SE Escutcheon
UL Listing UL Listed "A" Label (3 hours), for use on fire doors, single or pair of doors. "F" mark stamped on strike
ANSI/BHMA Meets ANSI/BHMA A156.13, Series 1000, Operational & Security Grade 1 Standards. Lock body conforms to Federal
Escutcheon Dimension 2-1/2" W x 8-1/4" H x 1/2" T

  • US3 - Bright Polished Brass (605)
  • US4 - Clear Coated Satin Brass (606)
  • US10B - Dark Oxidized Satin Bronze Oil Rubbed (613)
  • US26 - Bright Chromium Plated (625)
  • US26D - Satin Chromium Plated (626)
  • US32D - Satin Stainless Steel (630)
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Reviews

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

  • 5
    7390 (83%)
  • 4
    944 (11%)
  • 3
    293 (3%)
  • 2
    64 (1%)
  • 1
    209 (2%)
94% of customers rate this company 4- or 5-stars
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Stef Verified Customer   
05-09-25

These keys work and are a great value. I'll buy more from them in the future when I need extra keys!

Delivery
5 / 5
Price
5 / 5
Thomas M. Verified Customer   
05-09-25

Easy, quick way to receive a replacement key

Delivery
5 / 5
Price
5 / 5
Kevin K. Verified Customer   
05-09-25

I'm well satisfied with all my shopping experience! And will recommend them to all locksmith!

Delivery
5 / 5
Price
5 / 5

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