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PartsTable / COMPONENT / B12549
B12549 ✓ 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 B12549 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-880-4893, 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
B12549
NSN: 6645-00-880-4893
FSC: 6645
CAGE: 82227 — VDO CONTROL SYSTEMS INC (USA)
SPECIFICATIONS
Part NumberB12549
NSN6645-00-880-4893
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available B12549 TITLE COMPONENT PN B12549 MFR B12549
KEY FEATURES
•
TERMINAL TYPE: SOLDER LUG OR STUD
•
MOVEMENT TYPE: ELECTRICAL
•
MOUNTING CONFIGURATION: THREE 0.150 IN. DIA MTG HOLES ON 1.580 IN. RADIUS SPACED 120 DEG APART IN
•
HERMETIC PROTECTION: NOT PROVIDED
•
ELECTRICAL MOVEMENT TYPE: SYNCHRONOUS MOTOR
•
OPERATING FREQUENCY: 60.0 HERTZ NOMINAL
•
MARKING COLOR: WHITE NUMERALS FOR HOURS,BLACK NUMERALS FOR TENTHS
•
MEASUREMENT UNIT: HOURS
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPESOLDER LUG OR STUD
MOVEMENT TYPEELECTRICAL
MOUNTING CONFIGURATIONTHREE 0.150 IN. DIA MTG HOLES ON 1.580 IN. RADIUS SPACED 120 DEG APART IN
HERMETIC PROTECTIONNOT PROVIDED
ELECTRICAL MOVEMENT TYPESYNCHRONOUS MOTOR
OPERATING FREQUENCY60.0 HERTZ NOMINAL
MARKING COLORWHITE NUMERALS FOR HOURS,BLACK NUMERALS FOR TENTHS
MEASUREMENT UNITHOURS
UNIT TYPEMOUNTED
BACKGROUND COLORBLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
M3971/1-5-SInterchangeable
interchangeable cross-reference
interchangeable
M3971/1-5Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-3971EInterchangeable
interchangeable cross-reference
interchangeable
C2AInterchangeable
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 B12549?
B12549 is a B12549.
What parts can replace B12549?
There are 29 known substitutes for B12549: M3971/1-5-S, M3971/1-5, MIL-DTL-3971E and 26 more. Substitute compatibility should be verified for your specific system.
Is B12549 still available?
B12549 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