ST-1200 Line Size 3 Thick Panel Grommets
Type 127S-A and 127S-F thick panel grommets are supplied attached
to their studs. The bead securing the grommet to the stud is close
to the head to allow maximum retraction of the stud end into the
panel. These grommets are offered in standard lengths, matching
common panel thickness with ends extended beyond the panel, for
retention by flaring. Other lengths are available on special order.
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Type 127S-F: Flush heads only
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Type 127S-A: Protruding heads only
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Stud/Grommet Assembly Callout:
- Determine stud length as directed by instructions provided for
the selected receptacle.
- The 127S-A or 127S-F grommet length (dimension "T")
is equal to the panel thickness plus the grommet end flaring
allowance.
- If the panel thickness is greater than "Dimension P"
listed in the table, go to the next larger listing. (For example:
For size 3, if the panel is .275" thick, use Dimension P =
.375 in the table.)
- The stud grommet assembly is called out by first stating the
stud part number, followed by "T", followed by the
grommet's "T" dimension in thousandths of an inch. (For
example: 121J-350T150)
| Grommet Size |
Dimension "M"
Grommet Diameter |
Dimension "N"
Grommet Wall Thickness |
End Flaring Allowance |
| 3 |
7/32"
(5.56 mm) |
.015"
(.38 mm) |
.050"
(1.27 mm) |
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Grommet
Specification |
Panel Thickness |
Dimension "T" |
| inch |
mm |
inch |
mm |
| *T150 |
.095 |
2.41 |
.150 |
3.81 |
| *T175 |
.125 |
3.18 |
.175 |
4.45 |
| *T300 |
.250 |
6.35 |
.300 |
7.62 |
| *T425 |
.375 |
9.53 |
.425 |
10.80 |
| *T575 |
.500 |
12.70 |
.575 |
14.61 |
| *T700 |
.625 |
15.88 |
.700 |
17.78 |
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* Represents the stud part number (e.g., 121J-350
from the above example).
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