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PartsTable / COMPONENT / M3971/1-6
M3971/1-6 ✓ 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 M3971/1-6 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-864-6794, 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
M3971/1-6
NSN: 6645-00-864-6794
FSC: 6645
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM3971/1-6
NSN6645-00-864-6794
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M3971/1-6 TITLE COMPONENT PN M3971/1-6 MFR M3971/1-6
KEY FEATURES
•
SMALLEST INCREMENT INDICATED: 0.10
•
BACKGROUND COLOR: BLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL
•
ELECTRICAL MOVEMENT TYPE: MAGNETIC
•
MEASUREMENT UNIT: HOURS
•
BODY DEPTH: 3.000 INCHES MAXIMUM IN
•
MOUNTING FLANGE DIAMETER: 2.875 INCHES MAXIMUM IN
•
MOVEMENT TYPE: ELECTRICAL
TECHNICAL CHARACTERISTICS (FLIS)
SMALLEST INCREMENT INDICATED0.10
BACKGROUND COLORBLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL
PART NAME ASSIGNED BY CONTROLLING AGENCYMETER TIME TOTALIZING DRUM REGISTER 40/130V AC 2 TERMINAL V
ELECTRICAL MOVEMENT TYPEMAGNETIC
MEASUREMENT UNITHOURS
BODY DEPTH3.000 INCHES MAXIMUM IN
MOUNTING FLANGE DIAMETER2.875 INCHES MAXIMUM IN
MOVEMENT TYPEELECTRICAL
INDICATOR TYPEDRUM REGISTER
VOLTAGE RATING40.0 VOLTS MINIMUM AND 130.0 VOLTS MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
M3971/1-5-SInterchangeable
interchangeable cross-reference
interchangeable
M3971/1-5Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-3971EInterchangeable
interchangeable cross-reference
interchangeable
70132Interchangeable
interchangeable cross-reference
interchangeable
M3971/2-1Interchangeable
interchangeable cross-reference
interchangeable
10N-G1-HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3971/1-6?
M3971/1-6 is a M3971/1-6.
What parts can replace M3971/1-6?
There are 27 known substitutes for M3971/1-6: M3971/1-5-S, M3971/1-5, MIL-DTL-3971E and 24 more. Substitute compatibility should be verified for your specific system.
Is M3971/1-6 still available?
M3971/1-6 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