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MASTER LOCK PRODUCT SPECIFICATIONS FEBRUARY 2011
Master Lock Company, 137 West Forest Hill Avenue, P.O. Box 100367, Oak Creek, Wisconsin 53154
TELEPHONE: 800-308-9244; FAX: 800-308-9245; WEBSITE: www.masterlock.com
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BUILT-IN COMBINATION LOCKS 10 51 61 - 1
SECTION 10 51 61
BUILT-IN COMBINATION LOCKS
*****Since 1921, Master Lock Company has been providing padlocks and other security
products for the construction industry. Products include built-in combination and key-
operated locks for all types of lockers, combination padlocks for padlock hasp lockers,
and lock management software. This product guide specification section can be used to
specify the following built-in combination locks to be installed on metal, wire mesh, wood,
plastic, and other types of locker:
Combination locks for gravity/lift handle lockers (Article 2.2): Models 1630, 1631,
1630MD, 1631MD, 1636MKADA, 1637MKADA, 1636MKMDADA, and
1637MKMDADA.
Combination locks with slam shut operation and dead bolt locking for single point
rotating latch lockers (Article 2.3): Models 1690, 1690MD, 1695MKADA, and
1695MKMDADA.
Combination locks with slam shut operation but without dead bolt locking for
single point horizontal latch lockers (Article 2.4): Models 1652, 1653, 1652MD,
1653MD, 1651MKADA, 1656MKADA, 1651MKMDADA, and 1656MKMDADA.
Combination locks for single point horizontal latch box lockers (Article 2.5):
Models 1654, 1655, 1654MD, 1655MD, 1651MKADA, 1656MKADA,
1651MKMDADA, and 1656MKMDADA.
Deadbolt combination locks without slam shut operation for all locker types except
rotating latch lockers(Article 2.6): Models 1670, 1671, 1670MD, 1671MD,
1676MKADA, 1677MKADA, 1676MKMDADA, and 1677MKMDADA.
The specifier will need to select appropriate products and delete non-applicable models
and options. Refer to Master Lock product literature for descriptions and available
options. The guide section has been written so that most editing can be accomplished by
deleting unnecessary requirements and options. Depending on project requirements,
some additional information will need to be added by the specifier. Options are indicated
by [ ]. Notes to assist the specifier in selecting options and editing the specification
guide are printed in bold and indicated with *****. For final editing, all brackets and
notes will need to be deleted from the guide.
For ADA accessible locks, lock operation must meet the requirements of the current
edition of the Department of Justice (DOJ) ADA Standards for Accessible Design (ADA
Standards) or ICC/ANSI A117.1 – Accessible and Usable Buildings and Facilities.
Verify with local jurisdiction which standard has been adopted for the project location.