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12HT3A1 — TACHOMETER,ELECTRONIC

✓ Government record, cited
MOTOROLA AUTOMOTIVE ELECTRONICS · COMPONENT
PRODUCT OVERVIEW

12HT3A1: TACHOMETER,ELECTRONIC.

The TACHOMETER,ELECTRONIC is a MOTOROLA AUTOMOTIVE ELECTRONICS industrial component. Key specifications include LAMP TYPE: INCANDESCENT, CASE DESIGN: PANEL, CURRENT TYPE: DC, NUMERAL COLOR: WHITE, OPERATING RANGE: +0.0 TO 3000.0 REVOLUTIONS PER MINUTE, SPECIAL FEATURES: HOURMETER EQUIPPED,9999.9 HRS MAX READING. This part is cataloged in the U.S.

Government catalog under NSN 6680-00-412-4683, 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
12HT3A1
NSN: 6680-00-412-4683
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
CAGE: 31211 — MOTOROLA AUTOMOTIVE ELECTRONICS (USA)
SPECIFICATIONS
LAMP TYPEINCANDESCENT
CASE DESIGNPANEL
CURRENT TYPEDC
NUMERAL COLORWHITE
SCALE QUANTITY1
OPERATING RANGE+0.0 TO 3000.0 REVOLUTIONS PER MINUTE
SPECIAL FEATURESHOURMETER EQUIPPED,9999.9 HRS MAX READING
VOLTAGE IN VOLTS12.0
DIAL ILLUMINATIONPROVIDED
DIAL BACKGROUND COLORBLACK
SCALE MEASUREMENT UNITREVOLUTIONS PER MINUTE
END ITEM IDENTIFICATIONCOMPRESSOR,AIR,DAVY COMPRESSOR CO NO. 3M125RPV
NSN6680-00-412-4683
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: MOTOROLA AUTOMOTIVE ELECTRONICS TACHOMETER,ELECTRONIC TITLE COMPONENT PN 12HT3A1 MFR MOTOROLA AUTOMOTIVE ELECTRONICS TACHOMETER,ELECTRONIC
KEY FEATURES
•
SCALE QUANTITY: 1
•
CURRENT TYPE: DC
•
CASE DESIGN: PANEL
•
DIAL ILLUMINATION: PROVIDED
•
SCALE SMALLEST INCREMENT: 100.0 REVOLUTIONS PER MINUTE
•
VOLTAGE IN VOLTS: 12.0
•
LAMP TYPE: INCANDESCENT
•
LAMP VOLTAGE RATING IN VOLTS: 12.0
TECHNICAL CHARACTERISTICS
SCALE QUANTITY1
CURRENT TYPEDC
CASE DESIGNPANEL
DIAL ILLUMINATIONPROVIDED
SCALE SMALLEST INCREMENT100.0 REVOLUTIONS PER MINUTE
VOLTAGE IN VOLTS12.0
LAMP TYPEINCANDESCENT
LAMP VOLTAGE RATING IN VOLTS12.0
SCALE MEASUREMENT UNITREVOLUTIONS PER MINUTE
SPECIAL FEATURESHOURMETER EQUIPPED,9999.9 HRS MAX READING
SUBSTITUTES & CROSS-REFERENCES 2
64547Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
71000023Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12HT3A1?
12HT3A1 is a TACHOMETER,ELECTRONIC manufactured by MOTOROLA AUTOMOTIVE ELECTRONICS.
What parts can replace 12HT3A1?
There are 2 known substitutes for 12HT3A1: 64547, 71000023. Substitute compatibility should be verified for your specific system.
What is the NSN for 12HT3A1?
12HT3A1 is cataloged in the U.S. Government catalog under NSN 6680-00-412-4683. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.