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PartsTable / COMPONENT / M19646C455D440
M19646C455D440 ✓ Verified by PartsTable
— · 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

The M19646C455D440 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-477-2169, 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
M19646C455D440
NSN: 6685-00-477-2169
FSC: 6685
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM19646C455D440
NSN6685-00-477-2169
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M19646C455D440 TITLE COMPONENT PN M19646C455D440 MFR M19646C455D440
KEY FEATURES
•
SCALE SMALLEST INCREMENT: 5.0 DEG FAHRENHEIT
•
BULB TIP LENGTH: 3.000 INCHES NOMINAL IN
•
POINTER/PEN TYPE AND QUANTITY: 1 INDICATING SINGLE AND 1 REFERENCE SINGLE
•
SCALE TYPE: CONCENTRIC DIAL
•
MATERIAL: STEEL CORROSION RESISTING BULB
•
STYLE DESIGNATOR: BULB W/O SOCKET
•
CASE DIAMETER: 5.578 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SCALE SMALLEST INCREMENT5.0 DEG FAHRENHEIT
BULB TIP LENGTH3.000 INCHES NOMINAL IN
POINTER/PEN TYPE AND QUANTITY1 INDICATING SINGLE AND 1 REFERENCE SINGLE
SCALE TYPECONCENTRIC DIAL
MATERIALSTEEL CORROSION RESISTING BULB
STYLE DESIGNATORBULB W/O SOCKET
MATERIALALUMINUM METER CASE
CASE DIAMETER5.578 INCHES NOMINAL IN
CASE TYPEDUSTPROOF
INDICATOR CONNECTION METHODFLEXIBLE TUBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
M27-400Interchangeable
interchangeable cross-reference
interchangeable
81GNN00RW75YInterchangeable
interchangeable cross-reference
interchangeable
81GN-N00U-W40YInterchangeable
interchangeable cross-reference
interchangeable
MIL-T-19646Interchangeable
interchangeable cross-reference
interchangeable
81GK-Y00R-W25YInterchangeable
interchangeable cross-reference
interchangeable
D014-199Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M19646C455D440?
M19646C455D440 is a M19646C455D440.
What parts can replace M19646C455D440?
There are 22 known substitutes for M19646C455D440: M27-400, 81GNN00RW75Y, 81GN-N00U-W40Y and 19 more. Substitute compatibility should be verified for your specific system.
Is M19646C455D440 still available?
M19646C455D440 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026