5

PT, SP Service Classes

PT and SP connectors are available in the service classes listed

below. Each class, with the exception of hermetic, offers one or

more means of terminating or supporting a cable or wire bun-

dle. Class “W” is not available in the SP Series.

“A”

General duty; back shell is threaded for conduit

attachment of MS3057 cable clamp

“A” (SR) General duty, with strain relief clamp for cable or wire

bundle support

“C”

Pressurized receptacle; less than 1 cu. in. per hour

leakage at 30 psi over a temperature range of –65°F

to +257°F

“E”

Environmental resistant connectors - supplied with a

multi-holed grommet and clamping nut for moisture-

proofing individual open wires

“E” (SR) Environmental resistant strain relief clamp and grom-

met for moisture proofing individual wires; provides

added wire bundle support

“J”

Same as “W” class except with strain relief

“P”

Translucent nylon boot for retaining customer-applied

potting compounds; held in place by a threaded ring

“P” (SR) Strain relief clamp suitable for retaining customer

applied potting compounds, with provision for wire

support

“W”

Compressing clamp and neoprene gland for moisture

proofing multi-conductor jacketed cables. Telescoping

sleeves (MS 3420A) can be used to adapt to cables

smaller than minimum close-down.

“H”*

Hermetically sealed with compression glass inserts

MS/PT Service Classes

The MS/PT Miniature connector is available in the following cer-

tified service classes:

“E”

Environmental resistant connectors - supplied with a

multi-holed grommet and clamping nut for moisture-

proofing individual open wires

“F”

Grommet seal with strain relief clamp

“P”

Translucent nylon boot for retaining customer-applied

potting compounds; held in place by a threaded ring

* Refer to pages 14-17 for Hermetic versions.

“A” general duty

“E” (SR), MS / “F” strain relief

“E” MS / “E” open wire seal

“P”, MS / “P” potting boot

“W” cable seal