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AB6378B — AB6378B

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

AB6378B: AB6378B.

The AB6378B is a the manufacturer industrial component. Key specifications include material: STEEL AND ALUMINUM ALLOY, body_height: 0.688 INCHES NOMINAL IN, body_diameter: 5.000 INCHES NOMINAL IN, special_features: MATERIAL IS STEEL AND ALUMINUM BRASS,NICKEL PLATE ON BRASS PARTS; BRIGHT DIP AND LACQUER ON ALUMINUM, mounting_configuration: MOUNTS BY 1/4 IN. DIA SHAFT IN, end_item_identification: PART NO.

AC-6390-B. This part is cataloged in the U.S. Government catalog under NSN 5895-00-505-1669, 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
MRO→ MRO_GENERAL→ AB6378B
NSN: 5895-00-505-1669
FSC: 5895 — Miscellaneous Communication Equipment
CAGE: 07421 — L3HARRIS INTERSTATE ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL AND ALUMINUM ALLOY
body_height0.688 INCHES NOMINAL IN
body_diameter5.000 INCHES NOMINAL IN
special_featuresMATERIAL IS STEEL AND ALUMINUM BRASS,NICKEL PLATE ON BRASS PARTS; BRIGHT DIP AND LACQUER ON ALUMINUM
mounting_configurationMOUNTS BY 1/4 IN. DIA SHAFT IN
end_item_identificationPART NO. AC-6390-B
NSN5895-00-505-1669
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available AB6378B TITLE COMPONENT PN AB6378B MFR AB6378B
KEY FEATURES
•
BODY DIAMETER: 5.000 INCHES NOMINAL IN
•
BODY HEIGHT: 0.688 INCHES NOMINAL IN
•
MOUNTING CONFIGURATION: MOUNTS BY 1/4 IN. DIA SHAFT IN
•
MATERIAL: STEEL AND ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
BODY DIAMETER5.000 INCHES NOMINAL IN
BODY HEIGHT0.688 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL IS STEEL AND ALUMINUM BRASS,NICKEL PLATE ON BRASS PARTS; BRIGHT DIP AND LACQUER ON ALUMINUM
MOUNTING CONFIGURATIONMOUNTS BY 1/4 IN. DIA SHAFT IN
END ITEM IDENTIFICATIONPART NO. AC-6390-B
MATERIALSTEEL AND ALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
70166Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is AB6378B?
AB6378B is a AB6378B. It is classified as a MRO (MRO_GENERAL).
What parts can replace AB6378B?
There is 1 known substitute for AB6378B: 70166. Substitute compatibility should be verified for your specific system.
What is the NSN for AB6378B?
AB6378B is cataloged in the U.S. Government catalog under NSN 5895-00-505-1669. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.