PartsTable
Technical Data Sheet

M3971/2-1 — M3971/2-1

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M3971/2-1: M3971/2-1.

The M3971/2-1 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6645-00-151-5280, 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
M3971/2-1
NSN: 6645-00-151-5280
FSC: 6645 — Time Measuring Instruments
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM3971/2-1
NSN6645-00-151-5280
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M3971/2-1 TITLE COMPONENT PN M3971/2-1 MFR M3971/2-1
KEY FEATURES
•
BODY DIAMETER: 2.210 INCHES MAXIMUM IN
•
INDICATOR TYPE: DRUM REGISTER
•
TERMINAL QUANTITY: 2
•
BACKGROUND COLOR: WHITE BACKGROUND ON TENTHS WHEEL,BLACK BACKGROUND ON HOURS WHEEL
•
MOVEMENT TYPE: ELECTRICAL
•
CURRENT TYPE: AC
•
TERMINAL TYPE: SOLDER
•
MOUNTING METHOD: FLUSH
TECHNICAL CHARACTERISTICS
BODY DIAMETER2.210 INCHES MAXIMUM IN
INDICATOR TYPEDRUM REGISTER
TERMINAL QUANTITY2
BACKGROUND COLORWHITE BACKGROUND ON TENTHS WHEEL,BLACK BACKGROUND ON HOURS WHEEL
MOVEMENT TYPEELECTRICAL
CURRENT TYPEAC
TERMINAL TYPESOLDER
MOUNTING METHODFLUSH
SMALLEST INCREMENT INDICATED0.10
OPERATING FREQUENCY60.0 HERTZ NOMINAL
SUBSTITUTES & CROSS-REFERENCES 3
10N-G1-HReference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-M-3971Reference document
Same NSN cross-reference
Reference document — Identification reference
10N-G1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M3971/2-1?
M3971/2-1 is a M3971/2-1.
What parts can replace M3971/2-1?
There are 3 known substitutes for M3971/2-1: 10N-G1-H, MIL-M-3971, 10N-G1. Substitute compatibility should be verified for your specific system.
What is the NSN for M3971/2-1?
M3971/2-1 is cataloged in the U.S. Government catalog under NSN 6645-00-151-5280. 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.