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M880A — CHRONOMETER

✓ Government record, cited
DAVTRON · COMPONENT
PRODUCT OVERVIEW

M880A: CHRONOMETER.

The CHRONOMETER is a DAVTRON industrial component. Key specifications include SCALE NAME: 24 HOUR, SCALE RANGE: +0.0 TO 24.0 HOUR, OVERALL WIDTH: 2.750 INCHES NOMINAL IN, OVERALL LENGTH: 3.885 INCHES NOMINAL IN, GRADUATION UNIT: 1.000 HOUR, OVERALL DIAMETER: 3.175 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6645-01-285-4284, 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
M880A
NSN: 6645-01-285-4284
FSC: 6645 — Time Measuring Instruments
CAGE: 63131 — DAVTRON (USA)
SPECIFICATIONS
SCALE NAME24 HOUR
SCALE RANGE+0.0 TO 24.0 HOUR
OVERALL WIDTH2.750 INCHES NOMINAL IN
OVERALL LENGTH3.885 INCHES NOMINAL IN
SCALE QUANTITY3
GRADUATION UNIT1.000 HOUR
OVERALL DIAMETER3.175 INCHES NOMINAL IN
DIAL OUTSIDE DIAMETER3.125 INCHES IN
NSN6645-01-285-4284
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: DAVTRON CHRONOMETER TITLE COMPONENT PN M880A MFR DAVTRON CHRONOMETER
KEY FEATURES
•
SCALE QUANTITY: 3
•
SCALE NAME: 24 HOUR
•
OVERALL DIAMETER: 3.175 INCHES NOMINAL IN
•
SCALE RANGE: +0.0 TO 24.0 HOUR
•
DIAL OUTSIDE DIAMETER: 3.125 INCHES IN
•
GRADUATION UNIT: 1.000 HOUR
TECHNICAL CHARACTERISTICS
SCALE QUANTITY3
SCALE NAME24 HOUR
OVERALL DIAMETER3.175 INCHES NOMINAL IN
SCALE RANGE+0.0 TO 24.0 HOUR
OVERALL LENGTH3.885 INCHES NOMINAL IN
OVERALL WIDTH2.750 INCHES NOMINAL IN
DIAL OUTSIDE DIAMETER3.125 INCHES IN
GRADUATION UNIT1.000 HOUR
OTHER ITEMS IN FSC 6645 — Time Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6645-00-001-1256 6645-00-001-4498 6645-00-001-4584 6645-00-001-9400 6645-00-003-0327 6645-00-003-0328 6645-00-003-0337 6645-00-003-0338
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogAcquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is M880A?
M880A is a CHRONOMETER manufactured by DAVTRON.
What is the NSN for M880A?
M880A is cataloged in the U.S. Government catalog under NSN 6645-01-285-4284. 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.