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SMARTair 25.4mm Mortice: Escutcheons

SMARTair 25.4mm Mortice: Escutcheons

SMARTair

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SKU:
STK 4782ENOHDSS
UPC:
9340116068220
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Lockwood 4782ENOHDSS — Mortice Lock 25.4 mm Backset to Suit SmartAir Escutcheons Satin Stainless

The Lockwood 4782ENOHDSS is a 25.4 mm short backset mortice lock engineered to suit SmartAir escutcheons. With a Satin Stainless Steel (SS) finish, this lock provides secure deadlatching performance in narrow stile aluminium and commercial doors. Part of the Selector® 4780 Series, it is designed for high-traffic applications and offers seamless integration with SmartAir electronic access control systems.

Delivery truck icon Estimated Warehouse Dispatch: 11 Days
Caution icon Non-Returnable Item: This product cannot be returned once purchased

Key features icon Key Features

  • 25.4 mm short backset mortice lock for narrow stile aluminium/commercial doors.
  • Specifically designed to integrate with SmartAir escutcheons.
  • Satin Stainless Steel finish for strength and modern appearance.
  • Auxiliary deadlatching prevents latch manipulation.
  • Reversible handing without case disassembly.
  • Engineered for high-traffic commercial environments.

Fire rating icon Fire Rated

  • Tested up to 4 hours on compliant fire door assemblies (AS 1905.1:2005).

Specifications icon Specifications

  • Item Code: 4782ENOHDSS
  • Function: Mortice lock designed for SmartAir escutcheons.
  • Backset: 25.4 mm (short backset).
  • Finish: Satin Stainless Steel (SS).
  • Door Type: Aluminium or narrow stile commercial doors.
  • Bolt: 15 mm stainless steel latch with auxiliary deadlatch.
  • Door Thickness: 32–50 mm standard; kits available for thicker doors.
  • Compliance: AS4145.2 (Durability D8, Security S7); AS1905.1 (Fire Doors).

Contents icon What's In The Box

  • 1 × Lockwood 4782ENOHDSS mortice lock body (25.4 mm backset)
  • 1 × Satin Stainless Steel faceplate
  • 1 × Satin Stainless Steel strike plate
  • Fixing screws
  • Installation instructions

Suitable uses icon Suitable Uses

  • Aluminium and narrow stile commercial doors requiring short backset mortice locks.
  • Electronic access control systems using SmartAir escutcheons.
  • Fire-rated doors requiring compact lock cases.
  • High-traffic environments including healthcare, education, offices, and retail.

Product code list icon Selector® 4782 Short Backset Escape Locks — Item Code Family (25.4 mm Backset)

Item Code Function Description
4782 Escape Lock (Primary) Short backset mortice escape lock, 25.4 mm backset. Inside handle always free; outside handle rigid.
4782V Anti-vandal Escape Outside opened by handle when unlocked; outside key locks/unlocks and retracts latch; inside always free.
4782VT Anti-vandal + Turn Cylinder outside, turn inside; inside always free; outside key locks/unlocks and retracts latch.
4782X Key Entry Escape Outside opened by key at all times (handle rigid); inside handle always free.
4782XT Key Entry + Turn Outside opened by key at all times; inside by handle and turn; outside key locks outside handle.
4782-V Internal Cylinder Inside handle always free; inside key locks/unlocks outside handle and retracts latch after unlocking.
4782-T Internal Turn Inside handle always free; internal turn locks/unlocks outside handle.
4782XV Key Entry, Double Cylinder Outside key entry at all times; inside always free; inside key locks/unlocks outside handle and retracts latch.
4782TA Anti-lockout + Turn Prevents accidental lockout; inside turn; inside always free; outside handle operable when unlocked.
4782VTA Anti-lockout Anti-vandal + Turn Cylinder outside, turn inside; combines anti-vandal control with anti-lockout reset.

Accessories icon Selector® 4782 — Accessories & Spares (Short Backset, 25.4 mm Backset Series)

Item Code Description Notes
3782-FINKITCP / AC / AG / AU / AZ / BU / ORB / PB / SB / SBU Alternative Finish Kits Strike + faceplate + faceplate screws. Not suitable for 25.4 mm backset 4782 lock.
3782-TFKITSS / CP / PB Timber Door Fixing Kit Converts aluminium-fix short-backset case for timber doors (not suitable for 25.4 mm backset 4782).
3782-2100SS / 3782TF-2100SS ES2100 Electric Strike Faceplates Door position monitoring option with ES2100. TF plate suits timber fix; 3782-2100SS can be used directly with 3782SS primary.
3782-STK32XX / 3782-STK74XX Standard & Long Lip Strikes 32 mm lip (SS/CP/PB). 74 mm lip (SS only). XX = finish.
3782-FSTK32SS / 3782-FSTK64SS Fabricator Strikes Stainless “D” strikes for fabricator installations (32/64 mm lips).
3782-RFSTKCP / SC / PB Retrofit Strike Kits Replacement strike sets for existing installs; finish matched.
3782-STKBOX Strike Box (Pk=10) Box cavity behind strike for cleaner latch engagement.
5782-RK##SS / 5782-RK##CP / 5782-RK##PB Rebate Kits (30/38 mm backsets) For 13 mm rebated timber doors; specify handing (## = ACW/CW). Not for 25.4 mm backset 4782.
3782-SECKIT Security Faceplate Screw Kit TR20 tamper-resistant screws for strike/faceplate security.
SP3570-5018 / -5228 / -5238 / -5258 Extended Spindles Door thickness coverage approx. 32–200 mm (variant dependent).
SP3700/X7CAM X7 Cam (Latching) Retracts latch; interfaces with locking bar.
SP3700/VCAM V Cam (Locking) Locks/unlocks bar; retracts latch after unlocking.
3770M1-ADAPTOR Latching/Turn Adaptor (MkI) Required for short-backset (3780/4782/5782/6782) where an adaptor is specified.
3782-DXKITSC DX Mechanical Digital Kit Codepad + plate + spindle + adaptor (furniture ordered separately).
3782-DXKOKITSC DX Digital with Key Override Kit Includes lower cylinder provision; suits door thickness 43–46 mm.
3787-KIT570E Dual Entry Conversion Kit Lower cylinder plate + spindle cam + screws (two cylinders outside).

Warranty icon Warranty

  • Lockwood 25 Year Mechanical Warranty covers mechanical components and workmanship under normal use and correct installation.
  • Electronic and electrical components are covered for 3 years (PADDE & electric mortice locks 5 years, batteries excluded).
  • Keys are covered for 12 months.
  • Finish warranty varies by finish type and exposure — e.g. Everbrass 25 years; Stainless/Chrome/Anodised 10 years; PVD/VIVID 10 years; Symmetry range 5 years; decorative finishes such as bronze, antique and powdercoat 2 years (natural brass ageing excluded).
  • Warranty excludes misuse, improper installation, modification, or failure to maintain as specified.

PDF icon Download PDF Resources

PDF icon Lockwood Selector 3700 Series Mortice Locks Catalogue
PDF icon Lockwood Selector 3700 Series Mortice Locks Service Manual
PDF icon Lockwood 25 Year Mechanical Warranty (Conditions Apply)

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