Falcon MA521 Entry/Office Mortise Lock w/ Dane-Napa Lever Trim


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  • Heavy-Duty Grade-1 – Less Cylinder
  • ANSI Function: F04
  • ADA Compliant – 3 Hour Fire-Rated

The MA Series lock delivers high performance at an affordable cost in an office, hospital, education or other commercial project. It provides security and is built to stand up to constant use without fail. The MA Series is one of Falcon’s toughest, most dependable locks. Plus they’re backed by one of the best names in the business – Allegion.

Requires 986 Mortise Cylinder (Not Included – Must Be Added Separately)

ANSI F04 – Entry/office lock with button lockout: Latch bolt operated by knob/lever from either side except when outside lever is made inoperative by buttons in face. When outside lever is locked, latch bolt is retracted by key from outside or by operating inside lever. Auxiliary dead latch. Outside lever is unlocked by button on face.

  • Forged escutcheons for added strength (8-1/8″H x 2-1/4″W)
  • UL listed and certified Operational Grade 1 and Security Grade 1

Lock Function

Entry (Entrance)

ANSI Function



1-1/4" 986 Mortise Cylinder w/ 5622 Cam (order separately)


Heavy Duty

ANSI Grade

ANSI A156.13, Series 1000, Operational Grade 1 and Security Grade 1

Fire Rating

“A” Label 3 Hour Fire Doors, UL10C Positive Pressure Rated


Right hand is standard; Reversible in the field




Cold formed steel, zinc dichromate plated, .090” thick


Two-piece stainless steel, mechanical anti-friction bolt. 3 ⁄ 4 " projection


(armored front) 1 1 ⁄ 4 " x 8" brass or stainless steel adjustable for door bevel. Reinforced by heavy gauge steel with stabilizing ribs


Meets ANSI AII5.1 for frame preparation. Strike is non-handed

Door Thickness


Lever Design



626 Satin Chrome

Falcon_MA-Lock_Installation_Instructions Falcon_MA_Series_Service_Manual

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