TC12400 — THERMOCOUPLE,IMMERSION

✓ Government record, cited

SEMCO INSTRUMENTS, INC. DBA HARCOSEMCO · COMPONENT

PRODUCT OVERVIEW

TC12400: THERMOCOUPLE,IMMERSION.

The THERMOCOUPLE,IMMERSION is a SEMCO INSTRUMENTS, INC. DBA HARCOSEMCO industrial component. Key specifications include MATERIAL: STEEL CORROSION RESISTING OVERALL, UNIT TYPE: BAYONET, OVERALL LENGTH: 3.620 INCHES NOMINAL IN, IMMERSION LENGTH: 2.380 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN, OPERATING TEMP RANGE: -65.0 TO 220.0 FAHRENHEIT DEGF, END ITEM IDENTIFICATION: 2835-01-342-9918 GAS TURBINE ENGINE.

This part is cataloged in the U.S. Government catalog under NSN 6685-00-181-1898, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

TC12400

NSN: 6685-00-181-1898
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 24735 — SEMCO INSTRUMENTS, INC. DBA HARCOSEMCO (USA)

SPECIFICATIONS

MATERIAL	STEEL CORROSION RESISTING OVERALL
UNIT TYPE	BAYONET
OVERALL LENGTH	3.620 INCHES NOMINAL IN
IMMERSION LENGTH	2.380 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN
SPECIAL FEATURES	LEAD WIRES CHROMEL-ALUMEL;PART MUST OPERATE SATISFACTORILY UP TO 40,000 FEET ALTITUDE;THERMOCOUPLE TO OPERATE SATISFACTORILY WITH EXHAUST GAS TEMP. OF 400 DEG F TO 1400 DEG F FT
OPERATING TEMP RANGE	-65.0 TO 220.0 FAHRENHEIT DEGF
END ITEM IDENTIFICATION	2835-01-342-9918 GAS TURBINE ENGINE
ACCOMMODATED WIRE AWG SIZE	24
TERMINAL TYPE AND QUANTITY	2 WIRE LEAD W/LUG
NSN	6685-00-181-1898

COMPONENT DIAGRAM

KEY FEATURES

•

ACCOMMODATED WIRE AWG SIZE: 24

•

IMMERSION LENGTH: 2.380 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN

•

UNIT TYPE: BAYONET

•

OPERATING TEMP RANGE: -65.0 TO 220.0 FAHRENHEIT DEGF

•

MATERIAL: STEEL CORROSION RESISTING OVERALL

TECHNICAL CHARACTERISTICS

OVERALL LENGTH	3.620 INCHES NOMINAL IN
ACCOMMODATED WIRE AWG SIZE	24
IMMERSION LENGTH	2.380 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN
UNIT TYPE	BAYONET
SPECIAL FEATURES	LEAD WIRES CHROMEL-ALUMEL;PART MUST OPERATE SATISFACTORILY UP TO 40,000 FEET ALTITUDE;THERMOCOUPLE TO OPERATE SATISFACTORILY WITH EXHAUST GAS TEMP. OF 400 DEG F TO 1400 DEG F FT
OPERATING TEMP RANGE	-65.0 TO 220.0 FAHRENHEIT DEGF
END ITEM IDENTIFICATION	2835-01-342-9918 GAS TURBINE ENGINE
MATERIAL	STEEL CORROSION RESISTING OVERALL
TERMINAL TYPE AND QUANTITY	2 WIRE LEAD W/LUG

SUBSTITUTES & CROSS-REFERENCES 3

21715-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

698220-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

969018-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is TC12400?

TC12400 is a THERMOCOUPLE,IMMERSION manufactured by SEMCO INSTRUMENTS, INC. DBA HARCOSEMCO.

What parts can replace TC12400?

There are 3 known substitutes for TC12400: 21715-1, 698220-1, 969018-1. Substitute compatibility should be verified for your specific system.

What is the NSN for TC12400?

TC12400 is cataloged in the U.S. Government catalog under NSN 6685-00-181-1898. This indicates validated use in U.S. government and defense supply chains.

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TC12400 — THERMOCOUPLE,IMMERSION

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