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Technical Data Sheet
PartsTable / COMPONENT / 7978-3B
7978-3B ✓ 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 BASE,ELECTRICAL EQUIPMENT RACK is a the manufacturer industrial component. Key specifications include color: BLACK, overall_depth: 10.719 INCHES NOMINAL IN, overall_width: 11.625 INCHES NOMINAL IN, overall_height: 1.563 INCHES NOMINAL IN, style_designator: FLAT MOUNTED, surface_treatment: ENAMEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-504-9274, 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
7978-3B
NSN: 5975-00-504-9274
FSC: 5975
CAGE: 00781 — CESSNA AIRCRAFT CO ARC AVIONICS DIV (USA)
SPECIFICATIONS
colorBLACK
overall_depth10.719 INCHES NOMINAL IN
overall_width11.625 INCHES NOMINAL IN
overall_height1.563 INCHES NOMINAL IN
style_designatorFLAT MOUNTED
surface_treatmentENAMEL
mounting_provisionUNTHREADED HOLE
NSN5975-00-504-9274
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BASE,ELECTRICAL EQUIPMENT RACK TITLE COMPONENT PN 7978-3B MFR BASE,ELECTRICAL EQUIPM
KEY FEATURES
•
SURFACE TREATMENT: ENAMEL
•
STYLE DESIGNATOR: FLAT MOUNTED
•
MOUNTING PROVISION: UNTHREADED HOLE
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT1.563 INCHES NOMINAL IN
SURFACE TREATMENTENAMEL
OVERALL WIDTH11.625 INCHES NOMINAL IN
OVERALL DEPTH10.719 INCHES NOMINAL IN
STYLE DESIGNATORFLAT MOUNTED
MOUNTING PROVISIONUNTHREADED HOLE
COLORBLACK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
46085Interchangeable
interchangeable cross-reference
interchangeable
5694Interchangeable
interchangeable cross-reference
interchangeable
1005007005590Interchangeable
interchangeable cross-reference
interchangeable
7005590Interchangeable
interchangeable cross-reference
interchangeable
114981Interchangeable
interchangeable cross-reference
interchangeable
SB1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7978-3B?
7978-3B is a BASE,ELECTRICAL EQUIPMENT RACK.
What parts can replace 7978-3B?
There are 15 known substitutes for 7978-3B: 46085, 5694, 1005007005590 and 12 more. Substitute compatibility should be verified for your specific system.
Is 7978-3B still available?
7978-3B 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