A3 Compartment Locks (19mm) – ‘De-Luxe’ Specification


These are simple, inexpensive locks used on all types of steel and metal enclosures, cabinets and panels. The diecast housing fits a ‘double-D’ piercing and is retained by a large hexagonal nut.

This is the original ‘Wilmot Breeden’ specification with several special features as noted. It is particularly suited for applications where vibration may be a problem.


‘De-luxe’ specification
1/27890 ’Deluxe‘ lock, 90°, mixed keys
1/27893 ’Deluxe‘ lock, 90°, FS 880
1/27900 ’Deluxe‘ lock, 180°, mixed keys
1/27902 ’Deluxe‘ lock, 180°, FS 880



For clarity, retaining nut is not shown
A Head diameter 26 mm
B Total depth 28 mm
C Head projection 6 mm
D Depth to cranked latch 11 mm
D1 Body depth 19 mm
E Height of bar 37 mm
F Thread depth 15 mm
latch bar reversible, can be fitted at 45° intervals.
G Diameter, locating plate 34 mm
H Piercing, across flats 17.5 mm
J Piercing, diameter 20 mm
Locating plate enables lock to be fitted into a
round hole, especially with wooden panels. Latch
bar must be removed for mounting.


7/01905 Locating plate, spiked
5/00479 Locating plate, flat (steel)


1/27847 Retaining nut (brass)
7/03181 Neoprene gasket (black)


Finger-pullBlack, moulded design which improves access
to cabinet door. Suits all models.


Finger-pullChromium-plated, steel finger-pull for ‘utility’ applications.


weathershieldBlack PVC cover for weather-protection.
Suits all round-face locks. (Also see A6).


Moulded spacerUseful where inside space is limited, raises
lock 5mm above panel surface. Black nylon.

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