An instrumentation component comprising: an instrumentation portion; a casing at least partially surrounding said instrumentation portion; a lead protruding from the instrumentation portion through a lead egress hole in the casing; a lead egress adapter situated in said lead egress hole, wherein said lead egress adapter (22;422) includes a cup portion (120;120A;420) and a lip portion at least partially circumscribing the cup portion (120;120A;420), wherein said lead egress adapter (22;422) includes a hole (122;122A;421) in said cup portion (120;120A;420), wherein said lead protrudes through said cup hole (122;122A;421) and said cup hole (122;122A;421) is tight fit to said lead, and wherein a potting material fills a remainder of said cup portion; wherein said lip portion of said lead egress adapter (22;422) contacts said casing; characterised in further comprising: a lead egress cap (24;24B) sealing said lead egress adapter (22;422) to said casing, wherein said lead egress cap (24;24B) further comprises a cap hole (170;170A) through which said lead protrudes, and wherein said cap hole (170;170A) is tight fit to said lead egress; and wherein said lip portion of said lead egress adapter further comprises one of a tack weld trough (130;430) circumscribing said cup portion (120;420) and wherein said tack weld trough (130;430) is thinner than a non-tack weld trough portion of said lip portion along an axis defined by the lead, and wherein a potting material fills said trough portion (130;430), and a brazing chamfer on an outer edge of said lip portion, and a braze connecting said brazing chamfer to said casing. an instrumentation portion; a casing at least partially surrounding said instrumentation portion; a lead protruding from the instrumentation portion through a lead egress hole in the casing; a lead egress adapter situated in said lead egress hole, wherein said lead egress adapter (22;422) includes a cup portion (120;120A;420) and a lip portion at least partially circumscribing the cup portion (120;120A;420), wherein said lead egress adapter (22;422) includes a hole (122;122A;421) in said cup portion (120;120A;420), wherein said lead protrudes through said cup hole (122;122A;421) and said cup hole (122;122A;421) is tight fit to said lead, and wherein a potting material fills a remainder of said cup portion; wherein said lip portion of said lead egress adapter (22;422) contacts said casing; characterised in further comprising: a lead egress cap (24;24B) sealing said lead egress adapter (22;422) to said casing, wherein said lead egress cap (24;24B) further comprises a cap hole (170;170A) through which said lead protrudes, and wherein said cap hole (170;170A) is tight fit to said lead egress; and wherein said lip portion of said lead egress adapter further comprises one of a tack weld trough (130;430) circumscribing said cup portion (120;420) and wherein said tack weld trough (130;430) is thinner than a non-tack weld trough portion of said lip portion along an axis defined by the lead, and wherein a potting material fills said trough portion (130;430), and a brazing chamfer on an outer edge of said lip portion, and a braze connecting said brazing chamfer to said casing. a lead egress cap (24;24B) sealing said lead egress adapter (22;422) to said casing, wherein said lead egress cap (24;24B) further comprises a cap hole (170;170A) through which said lead protrudes, and wherein said cap hole (170;170A) is tight fit to said lead egress; and wherein said lip portion of said lead egress adapter further comprises one of a tack weld trough (130;430) circumscribing said cup portion (120;420) and wherein said tack weld trough (130;430) is thinner than a non-tack weld trough portion of said lip portion along an axis defined by the lead, and wherein a potting material fills said trough portion (130;430), and a brazing chamfer on an outer edge of said lip portion, and a braze connecting said brazing chamfer to said casing.