Aearo Technologies, a 3M Company
Isolator Sandwich Mounts (SL Series)
The ISOLOSS SL series are the highest damped E-A-R elastomers, capable of loss factors above 2. There are multiple Type A durometers available including SL-20300 (19), SL-35300 (30), SL-50300 (45), and SL-60300 (56).
E-A-R™ vibration isolation sandwich mounts combine highly damped elastomeric materials in overmolded standoff designs. These isolators are available in multiple configurations: male to male (MM), male to female (MF), male to blank (MB), and female to blank (FB). Each isolator is constructed of compression molded damping elastomer bonded to steel inserts.
| Part Number | Outside Diameter | Total Length | Thread Length | Thread Type | |
|---|---|---|---|---|---|
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MM-100-UC04-SL20300 | 6.99 mm | 8.13 mm | 5.08 mm | #4-40 mm |
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MM-200-UC06-SL20300 | 10.16 mm | 12.70 mm | 9.53 mm | #6-32 mm |
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MM-200-UC08-SL20300 | 10.16 mm | 12.70 mm | 9.53 mm | #8-32 mm |
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MM-300-UC25-SL20300 | 15.62 mm | 15.88 mm | 12.7 mm | 1/4"-20 mm |
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MM-400-UC31-SL20300 | 25.4 mm | 19.04 mm | 15.88 mm | 5/16"-18 mm |
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MB-100-UC04-SL20300 | 6.99 mm | 8.13 mm | 5.08 mm | #4-40 mm |
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MB-200-UC06-SL20300 | 10.16 mm | 12.70 mm | 9.53 mm | #6-32 mm |
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MB-200-UC08-SL20300 | 10.16 mm | 12.70 mm | 9.53 mm | #8-32 mm |
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MB-300-UC25-SL20300 | 15.62 mm | 15.88 mm | 12.7 mm | 1/4"-20 mm |
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MB-400-UC31-SL20300 | 25.4 mm | 19.05 mm | 15.88 mm | 5/16"-18 mm |
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MF-100-UC04-SL20300 | 6.99 mm | 8.13 mm | 5.08 mm | #4-40 mm |
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MF-200-UC06-SL20300 | 10.16 mm | 12.70 mm | 9.53 mm | #6-32 mm |
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MF-200-UC08-SL20300 | 10.16 mm | 12.70 mm | 9.53 mm | #8-32 mm |
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MF-300-UC25-SL20300 | 15.62 mm | 15.88 mm | 12.7 mm | 1/4"-20 mm |
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MF-400-UC31-SL20300 | 25.4 mm | 19.05 mm | 15.88 mm | 5/16"-18 mm |
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FB-100-UC04-SL20300 | 6.99 mm | 8.13 mm | N/A | #4-40 mm |
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FB-200-UC06-SL20300 | 10.16 mm | 12.70 mm | N/A | #6-32 mm |
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FB-200-UC08-SL20300 | 10.16 mm | 12.70 mm | N/A | #8-32 mm |
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FB-300-UC25-SL20300 | 15.62 mm | 15.88 mm | N/A | 1/4"-20 mm |
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FB-400-UC31-SL20300 | 25.4 mm | 19.05 mm | N/A | 5/16"-18 mm |




















