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Corbin Russwin ML2049 PSM Storeroom Deadbolt Mortise Lockset
Lock Operation Detailed
- Latchbolt and deadbolt by grip inside or by key outside.
- Inside grip simultaneously retracts deadbolt and latchbolt.
- Outside grip always rigid.
- Deadbolt thrown or retracted by key outside or thumbturn grip inside.
- Auxiliary latch deadlocks latchbolt.
- Inside grip always free.
- Note: Indicator shows deadbolt position only.
The Corbin Russwin ML2049 PSM is a heavy-duty Grade 1 Storeroom Deadbolt mortise lockset on Princeton Lever x M Escutcheon (PSM) trim. It is built on the ML2000 Series platform and is certified to A156.13 Series 1000, Operational and Security Grade 1.
Storeroom Deadbolt Function -- What It Means
The Storeroom Deadbolt function keeps the outside grip always rigid. Latchbolt and deadbolt by grip inside or by key outside. The inside grip simultaneously retracts deadbolt and latchbolt and is always free. Deadbolt thrown or retracted by key outside or thumbturn grip inside. An auxiliary latch deadlocks the latchbolt. An indicator, when specified, shows deadbolt position only.
Institutional Grade Features & Benefits
- Always-rigid outside grip: the outside lever cannot be left unlocked. Entry is by key only.
- Deadbolt indicator only: when an indicator is specified, it shows deadbolt position only.
- Inside retracts both: the inside grip retracts the latchbolt and the deadbolt together.
- Free egress from inside: the inside grip retracts the latchbolt at all times.
- Grade 1 certified: Certified A156.13 Series 1000, Operational and Security Grade 1.
- Field handing: Handed; quick reversible. The lockset can be re-handed without disassembling the lock case; see page 87.
- Fire listing: UL/cUL-UL10C Positive Pressure
- Warranty: Ten-year mechanical warranty.
Typical Applications
The ML2000 Series is a Grade 1 mortise lock designed to meet the rigors of high-traffic commercial, institutional, industrial and government applications.
- Commercial applications
- Institutional applications
- Industrial applications
- Government applications
This storeroom deadbolt listing is specified on storeroom openings that need a rigid outside grip and a deadbolt in those settings.
Technical Details
| Feature | Details |
|---|---|
| Model Number | ML2049 PSM |
| Function | Storeroom Deadbolt |
| Series | Corbin Russwin ML2000 |
| Certification | Certified A156.13 Series 1000, Operational and Security Grade 1. |
| Accessibility | Meets A117.1 Accessibility Code. |
| Fire Listing | UL/cUL-UL10C Positive Pressure |
| Handing | Handed; quick reversible. The lockset can be re-handed without disassembling the lock case; see page 87. |
| Door Thickness | 1-3/4" (44mm) standard. Optional door thicknesses available; see Quick Codes, page 81. |
| Backset | 2-3/4" (70mm). |
| Lockcase | Heavy-gauge steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm). |
| Front | Heavy-gauge steel, 8" (203mm) x 1-1/4" (32mm) x -3/32" (2mm). Accommodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm). |
| Armored Front | Wrought brass, bronze or stainless steel attached by machine screws to lockcase front. |
| Latchbolt | 2-piece mechanical with anti-friction insert, 5/8" (16mm) x 1" (25mm) x 3/4" (19mm) throw. |
| Auxiliary Latch | 9/16" (14mm) effective throw and 3/8" (10mm) effective auxiliary latch deadlocking. |
| Deadbolt | One-piece stainless steel, 19/32" (15mm) x 1-1/4" (32mm) x 1" (25mm) throw. |
| Strike | Wrought brass, bronze or stainless steel, ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to center. |
| Cylinder (standard) | Brass, 6-pin, L4 keyway, 0-bitted standard. |
| Hubs | Standard knob/lever hub is steel, 5/16" (8mm) |
| Trim | Princeton Lever x M Escutcheon |
| Warranty | Ten-year mechanical warranty. |
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or BSP - Black Suede Powder Coat or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 612 - US10 Satin Bronze or 619 - US15 Satin Nickel or 625 - US26 Polish Chrome or 629 - US32 Polish Stainless or WSP - White Suede Powder Coat or 611 - US9 Bright Bronze or 618 - US14 Bright Nickel or 722 - Black Oxidized Bronze, Oil Rubbed |
| Corbin Russwin Electrified Lock Options | M91 - Latchbolt Monitoring (LBM) or M92 - Request to Exit (REX) or M105 - Security Monitoring (DPS) or M91 x M92 - Latchbolt Monitoring (LBM) x Request to Exit (REX) or M92 x M105 - Request to Exit (REX) x Security Monitoring (DPS) |
| Corbin Russwin Keyways | L4 Keyway or CL6 - LFIC less Core or LC - Less Cylinder or CL7 - LFIC 7-pin Less Core or CLS6 - SFIC 6-pin Less Core or CLS7 - SFIC 7-pin Less Core |
| Brand | Corbin Russwin |
| Trim Design | PSM |
| Series | Corbin Russwin - ML2000 Series |
| Door Handing | Field Reversible |
Corbin Russwin M, N, and P Escutcheon Trim for ML2000 Series Mortise Locks Installation Instructions.pdf
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Corbin Russwin ML2000 Series Mortise Lock Catalog 2026.pdf
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Corbin Russwin ML2000 Series Mortise Lock Parts Manual (Locks Made After January 2016).pdf
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Corbin Russwin ML2000 Series Mortise Lock Parts Manual (Locks Made Prior to 2016).pdf
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Corbin Russwin ML2000 Series Mortise Locks Handing Instructions.pdf
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Corbin Russwin ML2000 Series Mortise Locks Template (Lockbody Master).pdf
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