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4270-20Y

Description
CONNECTOR ACCESSORY, PROTECTIVE COVER
CategoryThe connector    Connector bracket   
File Size74KB,2 Pages
Manufacturer3M
Websitehttp://3M.com/esd
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4270-20Y Overview

CONNECTOR ACCESSORY, PROTECTIVE COVER

4270-20Y Parametric

Parameter NameAttribute value
Maker3M
Reach Compliance Codecompliant
Related military specificationsMS90376, MIL PRF 5501/31A, MIL PRF 5501/32A
Connector bracket typeCONNECTOR ACCESSORY
DIN complianceNO
IEC complianceNO
MIL complianceYES
Military connector accessories namePROTECTIVE COVER
Base Number Matches1
3M
TM
Connector Covers
Circular and “D” Type Conductive Covers
3M Connector Covers are made of an intrinsically conductive composite material with uniformly distributed fibers. This makes the cov-
ers free of carbon black particulate and better suited to clean situations. The covers do not leave black marks and are permanently
conductive.
See page 2 for sizes
3M™ Circular Connector Covers 4270 Series
4270 Series were designed to meet the requirements
and intentions of MS90376,and MIL PRF 5501/31A or
2A. Military contractors have qualified these materials to
their own specifications and are encouraging their use.
3M “D” Type Connector Covers 4272 Series
4272 Series were designed to meet the requirements
and intentions of MIL-PRF-5501. Military contractors
have qualified these materials to their own specifications
and are encouraging their use.
Specifications
Typical Properties:
Resistivity
Contact Corrosivity
(Kovar plate)
Crayoning
Elongation
Tensile
Vicat Softening
Outgassing ASTM
ASTM D991
FTMS 101C
Method 3005
3M
ASTM D638
ASTM D638
ASTM MD
E595
<105 ohm-cm
Pass
Not visible
25%
1500 PSI (1.0 x 107 N/m2)
1525 205°F (96OC)
Pass
Chemical Reactions
Dilute Acids
Dilute Alkalines
Concentrated Acids
Concentrated Alkalines
Methanol, Ethanol, and
Isopropanol
Hydrocarbons
Ketones
Oil and Gasoline
Slight Attack
Slight Attack
Severe Attack
Severe Attack
Resistant
Slight Attack
Dissolves
Severe Attack
P
R
O
D
U
C
T
D
A
T
A
S
H
E
E
T
3M is a trademark of 3M Company.
All other trademarks herein are the property
of their respective owners.
4270 and 4272 Series Connector Covers
PRODUCT
ITEM NUMBER
DATASHEET
CONDUCTIVE CONNECTOR COVERS
SEE TABLE
4270
3M Electronics Solutions Division
6801 River Place Blvd
Austin, TX 78726-9000
US and Canada: 866-722-3736
Fax: 866-722-3735
Intl: 919-718-0000; Fax: 919-774-8174
email: 3Mstaticinfo@mmm.com; www.3Mstatic.com
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