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Technical Data Sheet
PartsTable / COMPONENT / 51C
51C ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include width: 12.000 INCHES NOMINAL IN, height: 18.600 INCHES NOMINAL IN, length: 5.120 INCHES NOMINAL IN, material: ALUMINUM CARRYING CASE, body_style: STRIP, overall_width: 5.063 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-649-2797, 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
51C
NSN: 6625-00-649-2797
FSC: 6625
CAGE: 06KW9 — LUCENT TECHNOLOGIES INC DBA FEDERAL MARKETING GROUP (USA)
SPECIFICATIONS
width12.000 INCHES NOMINAL IN
height18.600 INCHES NOMINAL IN
length5.120 INCHES NOMINAL IN
materialALUMINUM CARRYING CASE
body_styleSTRIP
overall_width5.063 INCHES NOMINAL IN
overall_height8.813 INCHES NOMINAL IN
overall_length9.375 INCHES NOMINAL IN
board_thickness0.062 INCHES IN
special_featuresBCI GROUP 51; ASSEMBLY NUMBER 10; COLD CRANKING AMPS 435; RESERVE MINUTES CAPACITY 070; BATTERY TYPE LEAD ACID; DOT CLASS 8; DOT LABEL CORROSIVE
voltage_in_volts12.0
dc_voltage_rating48.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
NSN6625-00-649-2797
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,PLUG-IN ELECTRONIC COMPON TITLE COMPONENT PN 51C MFR SOCKET,PLUG-IN ELECTRO
KEY FEATURES
•
MATERIAL: ALUMINUM CARRYING CASE
•
DC VOLTAGE RATING: 48.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
•
HEIGHT: 18.600 INCHES NOMINAL IN
•
TEST TYPE FOR WHICH DESIGNED: INDICATION OF PULSE RATE OF DIALS; INDICATION OF DIAL SPEED
•
WIDTH: 12.000 INCHES NOMINAL IN
•
ENCLOSURE FEATURE: W/CARRYING CASE
•
LENGTH: 5.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM CARRYING CASE
DC VOLTAGE RATING48.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
HEIGHT18.600 INCHES NOMINAL IN
TEST TYPE FOR WHICH DESIGNEDINDICATION OF PULSE RATE OF DIALS; INDICATION OF DIAL SPEED
WIDTH12.000 INCHES NOMINAL IN
ENCLOSURE FEATUREW/CARRYING CASE
LENGTH5.120 INCHES NOMINAL IN
MATERIALALUMINUM CARRYING CASE
DC VOLTAGE RATING48.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
HEIGHT18.600 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
879Interchangeable
interchangeable cross-reference
interchangeable
332-14-07-041Interchangeable
interchangeable cross-reference
interchangeable
HA4559Interchangeable
interchangeable cross-reference
interchangeable
51CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51C?
51C is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 51C?
There are 4 known substitutes for 51C: 879, 332-14-07-041, HA4559 and 1 more. Substitute compatibility should be verified for your specific system.
Is 51C still available?
51C 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