Mortise lock 5240

1945 – present time
Aug Stenman AB 40D (40C)

Category: SKU: 5240

Additional information

Product name

Mortise lock 5240




Aug Stenman AB 40D (40C)


Cold rolled, high tensile steel. 5240M has a faseplate of brass

Plating Kept in stock

Zinc-plated. Untreated brass faceplate.


Backset depth 44 mm, lockcase depth 75 mm.
Faceplate 22×205.
Follower bushing 9 mm.


5240 with a faceplate of steel.
5240M with a faceplate of brass.
Right and Left (R shown).

Recommended wood screws

Countersunk head 8 x 1¼”


1 pc with screws


Intended for interior doors. Without lever tumbler.
The latchbolt is reversible for right or left hand doors. See instruction above.
Supplied with key 5243-2, striking plate 5221 and bushing 5599 to fit both older and newer door handles.
5240M is delivered with striking plate 5241M.
This lock has a faceplate with rounded ends ("rounded corners"). Corresponding lock with a faceplate with straight cut ends, see 5220.

Order info

When ordering, specify the article number, the width of the faceplate and right or left.
For example 5240M V.