BACKSHELL ASSEMBLY

1 . A backshell assembly comprising:

a backshell housing having a first end, a second end, a passage extending therebetween, and a radial groove in the passage;

a connector coupled to the first end of the backshell housing;

a header assembly disposed in the passage of the backshell housing, the header assembly including a header body, an insulating core disposed within the header body and including a plurality of openings, and a plurality of tubes extending through a respective one of the plurality of openings; and

a seal disposed in the radial groove and surrounding the header body to seal the backshell housing to the header body.

2 . The backshell assembly according to claim 1 , wherein the plurality of openings in the insulating core include a plurality of circumferentially spaced openings, and wherein the plurality of tubes extend through the respective one of the plurality of circumferentially spaced openings and are coupled to the insulating core at the respective opening.

3 . The backshell assembly according to claim 1 , further comprising a plurality of wires extending through a respective one of the plurality of tubes and into the passage.

4 . The backshell assembly according to claim 3 , wherein the plurality of wires are coupled to the respective tube.

5 . The backshell assembly according to claim 4 , wherein the plurality of wires are thermocouple wires.

6 . The backshell assembly according to claim 5 , wherein the thermocouple wires include one or more nickel chromium wire and one or more nickel aluminum wire.

7 . The backshell assembly according to claim 3 , wherein one or more of the wires is coupled to a respective sensor in the passage.

8 . The backshell assembly according to claim 7 , wherein the sensor is a cold junction compensation temperature sensor.

9 . The backshell assembly according to claim 7 , wherein the sensor is coupled to an electrical wire that is coupled to a contact in the connector.

10 . The backshell assembly according to claim 1 , further comprising a tailpiece coupled to the second end of the backshell housing.

11 . The backshell assembly according to claim 10 , wherein the backshell housing has threads on a radially outer surface at the second end for mating with threads on a radially inner surface of the tailpiece.

12 . The backshell assembly according to claim 1 , wherein the backshell housing includes threads on a radially inner surface at the first end for mating with threads on a radially outer surface of the connector.

13 . The backshell assembly according to claim 12 , further comprising a seal abutting an end of the connector disposed within the passage that seals the connector to the radially inner surface of the backshell housing.

14 . A backshell assembly comprising:

a backshell housing having a first end, a second end, a passage extending therebetween, and a radial groove in the passage;

a header assembly disposed in the passage of the backshell housing, the header assembly including a header body, an insulating core disposed within and coupled to the header body and including a plurality of openings, and a plurality of tubes extending through a respective one of the plurality of openings;

a seal disposed in the radial groove and surrounding the header body to seal the backshell housing to the header body; and

a plurality of wires extending through a respective one of the plurality of tubes into the passage and being coupled to the respective one of the plurality of tubes.

15 . The backshell assembly according to claim 14 , wherein the plurality of tubes extend through the respective one of the plurality of openings and are coupled to the insulating core at the respective opening.

16 . The backshell assembly according to claim 14 , further comprising a tailpiece coupled to the second end of the backshell housing, wherein the backshell housing has threads on a radially outer surface at the second end for mating with threads on a radially inner surface of the tailpiece.

17 . The backshell assembly according to claim 14 , further comprising one or more cold junction compensation temperature sensors disposed in the passage, wherein one or more of the plurality of wires are coupled to a respective one of the one or more cold junction compensation temperature sensors.

18 . A backshell assembly comprising:

a backshell housing having a first end, a second end, a passage extending therebetween;

a connector coupled to the first end of the backshell housing;

a header assembly disposed in the passage of the backshell housing, the header assembly including a header body, an insulating core disposed within the header body and including a plurality of openings, and a plurality of tubes extending through a respective one of the plurality of openings; and

a plurality of wires extending through a respective one of the plurality of tubes and into the passage.

19 . The backshell assembly according to claim 18 , further comprising one or more cold junction compensation temperature sensors disposed in the passage, wherein one or more of the plurality of wires are coupled to a respective one of the one or more cold junction compensation temperature sensors.

20 . The backshell assembly according to claim 18 , wherein the backshell housing includes a radial groove in the passage, and the assembly further includes a seal disposed in the radial groove and surrounding the header body.