Information

40
MTA-156
.156 [3.96]
A
.130
[3.30]
.105
[2.67]
.440
[11.18]
.335
[8.51]
Retention Dimple
.127
[3.23]
.440
[11.18]
Note: This portion of front locking bar 
may or may not be present
A
.335
[8.51]
Closed End Covers
Material (RoHS Compliant)
Strain Relief Covers UL94V-2
rated, nylon, white
Dust Covers UL94V-0 rated,
polyester, white
Strain Relief Covers Dust Covers
Base Part Numbers
Closed End
Strain Relief Dust
Covers Covers
Cover No. of Cover No. of
Part Nos. Circuits Part Nos. Circuits
643067 2–24 640551 2–24
Cover Length
No. of Dim. Prefix/
Circuits A Suffix
2
.312
-2
7.92
3
.468
-3
11.89
4
.624
-4
15.85
5
.780
-5
19.81
6
.936
-6
23.77
7
1.092
-7
27.74
8
1.248
-8
31.7
9
1.404
-9
35.66
10
1.560
1- -0
39.62
11
1.716
1- -1
43.59
12
1.872
1- -2
47.55
13
2.028
1- -3
51.51
14
2.184
1- -4
55.47
15
2.340
1- -5
59.44
16
2.496
1- -6
63.4
17
2.652
1- -7
67.36
No. of Dim. Prefix/
Circuits A Suffix
No. of Dim. Prefix/
Circuits A Suffix
18
2.808
1- -8
71.32
19
2.964
1- -9
75.29
20
3.120
2- -0
79.25
21
3.276
2- -1
83.21
22
3.432
2- -2
87.17
23
3.588
2- -3
91.14
24
3.744
2- -4
95.1
Cover Ordering Information
The “Base Part Numbers”
Chart at right shows the
base part number and
number of circuits available
for the described cover.
Prefixes and suffixes are
determined by the number
of circuit positions in the
cover. For example, the
complete part number for a
10-position closed-end
strain relief cover would be:
Base number 643067 plus
prefix-and-suffix
1- -0
The correct ordering number
is
1-643067-0
Feed-Thru Covers
Material (RoHS Compliant)
Strain Relief Covers UL94V-2
rated, nylon, white
Dust Covers UL94V-0 rated,
polyester, white
Strain Relief Covers
Dust Covers
.127
[3.23]
.470
[11.94]
Note: This portion of front locking bar 
may or may not be present
A
A
.325
[8.26]
.475
[12.07]
.130
[3.3]
Retention Dimple
Base Part Numbers
Feed-Thru
Strain Relief Dust
Covers Covers
Cover No. of Cover No. of
Part Nos. Circuits Part Nos. Circuits
643071 2–24 640643 2–24
MTA-156 Connector Accessories
MTA, CST-100 II, SL-156 and
AMP Economy Power (EP) Connectors
Catalog 82056 Dimensions are in inches and Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-2103-6000
Revised 6-08 millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in brackets Specifications subject Mexico: 52-55-1106-0800 Japan: 81-44-844-8013
www.tycoelectronics.com are metric equivalents. to change. C. America: 57-1-254-4444 UK: 44-208-420-8341