4270-20Y 3M, 4270-20Y Datasheet

4270-20Y

Manufacturer Part Number

4270-20Y

Description

COVER CIRCULAR 1.15" ID 500PCS

Manufacturer

Series

4270r

Datasheet

1.4270-25Y.pdf (2 pages)

Specifications of 4270-20Y

Accessory Type

Cap (Cover)

Shell Size - Insert

1.150" ID, 1.215" OD

Product Type

Dustcaps

Body Material

Polyethylene

For Use With/related Products

MS90376 and MIL PRF 5501/31A or 32A Connectors

Lead Free Status / RoHS Status

Vendor undefined / Vendor undefined

Features

Color

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Other names

05400718541
4270 1.15" ID
4270 1.15" ID
98079814491

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4270 Series Electrically

Conductive Connector Covers

Military Application

4270 Series Circular Connectors

Covers were designed to meet the

requirements and intentions of MS90376,

and MIL PRF 5501/31A or 32A. Prominent military

contractors have qualified these materials to their own

specifications and are encouraging their use.

Conductive Composite

Conductive Composite material. The material is

made intrinsically conductive by uniformly

distributing a conductive matrix of fibers during

compounding. The covers are permanently

volume conductive and free of carbon black

particulate. The 4270 Series Covers do not leave

black marks and are more suited to clean

situations.

Noncorrosive

4270 Series Connector Covers are

noncorrosive and produce no visible

corrosion when tested to Federal Test

Method 101C using Kovar test

plates.

Property

Resistivity

Contact Corrosivity

Crayoning

Elongation

Tensile

Vicat Softening

Out Gassing

Material Properties

™

4270 Series Connector Covers feature a new unique

Test Method

ASTM D991

FTM 101C

Metod 3005

(Kovar plate)

ASTM D638

ASTM MD 1525

ASTM E595

Typical Value

<10

Pass

Not visible

25%

1500 psi

Pass

ohm-cm

Conformability

The material used in the covers were also selected for

its resilience. Properly sized, the covers provide a snug,

secure fit. This helps keep connectors clean and

prevents the cover from accidentally falling off.

Chemical Susceptibility

Chemical

Dilute Acids

Dilute Alkalines

Concentrated Acids

Concentrated Alkalines

Methanol, Ethanol, and

Isopropanol

Hydrocarbons

Ketones

Oil and Gasoline

Reactions

Slight Attack

Severe Attack

Resistant

Slight Attack

Dissolves

Severe Attack

Related parts for 4270-20Y

4270-20Y Summary of contents

Page 1

... Series Electrically Conductive Connector Covers Conductive Composite 3M ™ 4270 Series Connector Covers feature a new unique Conductive Composite material. The material is made intrinsically conductive by uniformly distributing a conductive matrix of fibers during compounding. The covers are permanently volume conductive and free of carbon black particulate ...

Page 2

... Recycled paper 40% Pre-consumer waste paper 10% Post-consumer waste paper Old Prod. Desc. “A” “B” “C” 4270-20Y 1.406 .625 1.150 1.215 4270-20R 1.465 .562 1.231 1.301 4270-22Y 1 ...

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