MIL-T-19646 — Technical Data Sheet

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MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M · COMPONENT

WHAT YOU NEED TO KNOW

Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel

Confirm exact part number — similar PNs may be different parts

PRODUCT OVERVIEW

THERMOMETER,INDICATING,CAPILLARY. Key specifications include MATERIAL: ALUMINUM ALLOY BEZEL, BULB TYPE: PLAIN RIGID, CASE TYPE: SHOCK RESISTANT, BULB STYLE: PLAIN BULB W/RIGID EXTENSION, SCALE TYPE: DIAL, CASE DIAMETER: 5.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 6685-00-009-5426, 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

MIL-T-19646

NSN: 6685-00-009-5426
FSC: 6685
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

MATERIAL	ALUMINUM ALLOY BEZEL
BULB TYPE	PLAIN RIGID
CASE TYPE	SHOCK RESISTANT
BULB STYLE	PLAIN BULB W/RIGID EXTENSION
SCALE TYPE	DIAL
BULB QUANTITY	1
CASE DIAMETER	5.875 INCHES NOMINAL IN
DIAL DIAMETER	4.500 INCHES NOMINAL IN
BULB TIP LENGTH	3.500 INCHES NOMINAL IN
ACTUATING MEDIUM	GAS
STYLE DESIGNATOR	BULB W/O SOCKET
FEATURES PROVIDED	ZERO ADJUSTMENT
NSN	6685-00-009-5426

COMPONENT DIAGRAM

KEY FEATURES

•

ACTUATING MEDIUM: GAS

•

BULB TYPE: FLEXIBLE EXTENSION PLAIN

•

BULB QUANTITY: 1

•

SCALE ACCURACY RATING: PORM 2 DEG F FULL RANGE DEGF

•

ACTIVE PORTION LENGTH: 3.500 INCHES NOMINAL IN

•

ACTIVE PORTION DIAMETER: 0.375 INCHES NOMINAL IN

•

MATERIAL: ALUMINUM METER CASE

•

INDICATOR CONNECTION METHOD: RIGID STEM

TECHNICAL CHARACTERISTICS

ACTUATING MEDIUM	GAS
BULB TYPE	FLEXIBLE EXTENSION PLAIN
BULB QUANTITY	1
SCALE ACCURACY RATING	PORM 2 DEG F FULL RANGE DEGF
ACTIVE PORTION LENGTH	3.500 INCHES NOMINAL IN
ACTIVE PORTION DIAMETER	0.375 INCHES NOMINAL IN
MATERIAL	ALUMINUM METER CASE
INDICATOR CONNECTION METHOD	RIGID STEM
STYLE DESIGNATOR	BULB W/O SOCKET
FEATURES PROVIDED	ZERO ADJUSTMENT

VERIFIED SUBSTITUTES & CROSS-REFERENCES 8

45-T8478K-52E-000-0200-20-240FInterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

M19646-C124D420InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

8245-2020InterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

41GJY00LF20YInterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

45-T8478K-51E-300-0200-20-240FInterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

41GP-Y00U-F20YInterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

LIFECYCLE

StatusCANCELLEDGOVERNMENT REGISTRY

Availability—

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is MIL-T-19646?

MIL-T-19646 is a THERMOMETER,INDICATING,CAPILLARY manufactured by MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M.

What parts can replace MIL-T-19646?

There are 8 known substitutes for MIL-T-19646: 45-T8478K-52E-000-0200-20-240F, M19646-C124D420, 8245-2020 and 5 more. Substitute compatibility should be verified for your specific system.

Is MIL-T-19646 still available?

MIL-T-19646 is currently cancelled.

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