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Technical Data Sheet
D391C ✓ 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 D391C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6680-00-934-8015, 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
D391C
NSN: 6680-00-934-8015
FSC: 6680
CAGE: 57733 — STEWART-WARNER CORPORATION (USA)
SPECIFICATIONS
Part NumberD391C
NSN6680-00-934-8015
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available D391C TITLE COMPONENT PN D391C MFR D391C
KEY FEATURES
CURRENT TYPE: DC
ELECTRICAL CONNECTION QUANTITY: 1
MOUNTING METHOD: HOLE
ACTUATION METHOD: FLOAT
TERMINAL TYPE: SCREW
FLOAT ARM LENGTH: 14.438 INCHES NOMINAL IN
VOLTAGE RATING: 12.0 VOLTS NOMINAL
ATTACHMENT FEATURE QUANTITY: 5
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT TYPEDC
ELECTRICAL CONNECTION QUANTITY1
MOUNTING METHODHOLE
ACTUATION METHODFLOAT
TERMINAL TYPESCREW
FLOAT ARM LENGTH14.438 INCHES NOMINAL IN
VOLTAGE RATING12.0 VOLTS NOMINAL
ATTACHMENT FEATURE QUANTITY5
TERMINAL QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
2100-07-0009Interchangeable
interchangeable cross-reference
interchangeable
27-843Interchangeable
interchangeable cross-reference
interchangeable
MS90537-43Interchangeable
interchangeable cross-reference
interchangeable
SSD330Interchangeable
interchangeable cross-reference
interchangeable
LAP37Interchangeable
interchangeable cross-reference
interchangeable
391Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D391C?
D391C is a D391C.
What parts can replace D391C?
There are 10 known substitutes for D391C: 2100-07-0009, 27-843, MS90537-43 and 7 more. Substitute compatibility should be verified for your specific system.
Is D391C still available?
D391C is currently cancelled.
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