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M3971/1-5 ✓ 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 M3971/1-5 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-089-8842, 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
M3971/1-5
NSN: 6645-00-089-8842
FSC: 6645
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM3971/1-5
NSN6645-00-089-8842
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M3971/1-5 TITLE COMPONENT PN M3971/1-5 MFR M3971/1-5
KEY FEATURES
•
INDICATOR TYPE: DRUM REGISTER
•
MAXIMUM MEASUREMENT: 9999.90
•
BACKGROUND COLOR: BLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL
•
SMALLEST INCREMENT INDICATED: 0.10
•
BODY DEPTH: 3.000 INCHES MAXIMUM IN
•
BODY DIAMETER: 2.210 INCHES MAXIMUM IN
•
HERMETIC PROTECTION: NOT PROVIDED
•
MATERIAL: ALUMINUM OR STEEL OR PLASTIC CASE
TECHNICAL CHARACTERISTICS (FLIS)
INDICATOR TYPEDRUM REGISTER
MAXIMUM MEASUREMENT9999.90
BACKGROUND COLORBLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL
SMALLEST INCREMENT INDICATED0.10
BODY DEPTH3.000 INCHES MAXIMUM IN
BODY DIAMETER2.210 INCHES MAXIMUM IN
HERMETIC PROTECTIONNOT PROVIDED
MATERIALALUMINUM OR STEEL OR PLASTIC CASE
RESET FEATURENOT PROVIDED
MOUNTING CONFIGURATIONTHREE 0.150 IN. DIA MTG HOLES ON 1.265 IN. RADIUS SPACED 120 DEG APART IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
331-026C0K0-209CInterchangeable
interchangeable cross-reference
interchangeable
331-026COK0-209CInterchangeable
interchangeable cross-reference
interchangeable
119379Interchangeable
interchangeable cross-reference
interchangeable
7013Interchangeable
interchangeable cross-reference
interchangeable
85315Interchangeable
interchangeable cross-reference
interchangeable
56040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3971/1-5?
M3971/1-5 is a M3971/1-5.
What parts can replace M3971/1-5?
There are 23 known substitutes for M3971/1-5: 331-026C0K0-209C, 331-026COK0-209C, 119379 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M3971/1-5?
M3971/1-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-089-8842. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026