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Part Number
3M ID

Material

Length

Gate Opening

D-Ring

Connector

Weight

Compliance 

Standards

5551
70071532561

Polyester;

Steel

18 in

(457 mm)

2.4 in

(60 mm)

2.4 in

(62 mm)

1.9 lb

(861 g)

ANSI Z359.1-07

General Safety Information

These 

User Instructions

 are not to be removed except by the 

user of this equipment.  

User Instructions

 must always be 

available to the user.  

Compliant fall protection and emergency rescue systems 
help prevent serious injury during fall arrest.  Users must 
read and understand the 

User Instructions

 provided with the 

product and be properly trained by their employer prior to 
use per OSHA 29 CFR 1910.66 and 1926.503 or applicable 
local standards.  

Misuse or failure to follow warnings and 

instructions may result in serious personal injury or 
death.

  For proper use, see supervisor, 

User Instructions

, or 

call Technical Service at 800-243-4630.

Purpose

3M 5551 Anchorage Connectors are designed to be used 
as part of a personal fall arrest system, to help limit the fall 
arrest forces in the event of a fall.

Use Instructions

1.  Failure to follow all instructions and limitations on the 

use of 5551 Anchorage Connectors may result in serious 
personal injury or death.

2.  Before using a personal fall arrest system, employees 

must be trained in accordance with the requirements of 
OSHA 29 CFR 1910.66 in the safe use of the system and 
its components.

3.  Personal fall arrest systems, including 5551 Anchorage 

Connectors, must be inspected prior to each use for 
wear, damage, and other deterioration and defective 
components must be immediately removed from service, 
in accordance with the requirements of OSHA 29 CFR 
1910.66 and 1926.502.

4.  The complete fall protection system must be planned 

(including all components, calculating fall clearance, and 
swing fall) before using.

5.  Users must have a rescue plan, and the means at 

hand to implement it, that provides the prompt rescue 
of employees in the event of a fall or assures that 
employees are able to rescue themselves.

6.  Store 5551 Anchorage Connectors in a cool, dry, clean 

environment, out of direct sunlight, when not in use.

7.  After a fall occurs, the 5551 Anchorage Connector must 

immediately be removed from service and destroyed.

Use Limitations

1.  5551 Anchorage Connectors are designed for single user 

only.

2.  5551 Anchorage Connectors must only be used on 

structures capable of supporting static loads applied in 
all directions permitted by the fall arrest system of at 
least: 3,600 lb (16.0 kN) with certifi cation of a qualifi ed 

person, or 5,000 lb (22.2 kN) without certifi cation.

3.  5551 Anchorage Connectors are designed to be used in 

temperatures ranging from -40ºF to +130ºF (-40°C to 
+54°C).

4.  Do not expose 5551 Anchorage Connectors to chemicals 

or harsh solutions which may have a harmful effect.  
Contact 3M Technical Service with any questions. 

5.  Caution must be taken when using 5551 Anchorage 

Connectors near moving machinery, electrical hazards, 
sharp edges, or abrasive surfaces, as contact may cause 
equipment failure, personal injury, or death.

6.  Minors, pregnant women and anyone with a history 

of either back or neck problems should not use this 
equipment.

7.  Do not use or install equipment without proper training 

from a “competent person” as defi ned by OSHA 29 CFR 
1926.32(f).

8.  Only 3M, or persons or entities authorized in writing by 

3M, shall make repairs or alterations to the equipment.

Compatibility Limitations

5551 Anchorage Connectors must only be coupled to 
compatible connectors.  OSHA 29 CFR 1926.502 prohibits 
snaphooks from being engaged to certain objects unless two 
requirements are met: 

snaphook must be a locking type and must 

be “designed for” making such a connection.

  “Designed for” 

means that the manufacturer of the snaphook specifi cally 
designed the snaphook to be used to connect to the 
equipment in question.  The following connections must be 
avoided, as they are conditions that can result in rollout* 
when a nonlocking snaphook is used:

• 

Direct connection of a snaphook to horizontal lifeline.

• 

Two (or more) snaphooks connected to one D-ring.

• 

Two snaphooks connected to each other.

• 

A snaphook connected back on its integral lanyard.

• 

A snaphook connected to a webbing loop or webbing 
lanyard.

• 

Improper dimensions of the D-ring, rebar, or other 
connection point in relation to the snaphook dimensions 
that would allow the snaphook keeper to be depressed by 
a turning motion of the snaphook.

*

Rollout

: A process by which a snaphook or carabiner 

unintentionally disengages from another connector or object 
to which it is coupled. (ANSI Z359.0-2007)

Performance

3M 5551 Anchorage Connectors have a minimum tensile 
breaking strength of 5,000 lbs (22.2 kN) when statically 
tested in accordance with the requirements of the ANSI 
Z359.1-2007 standard.

WARNING

5551 Anchorage Connector

User Instructions

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