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PartsTable / COMPONENT / B418 1/2
B418 1/2 ✓ 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 B418 1/2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-517-5554, 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
B418 1/2
NSN: 3455-00-517-5554
FSC: 3455
CAGE: 71485 — UNION BUTTERFIELD CORP P O BOX 9000 CRYSTAL LAKE IL 60039 (USA)
SPECIFICATIONS
Part NumberB418 1/2
NSN3455-00-517-5554
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available B418 1/2 TITLE COMPONENT PN B418 1/2 MFR B418 1/2
KEY FEATURES
•
MATERIAL: STEEL
•
TOOTH TYPE: INTEGRAL
•
OUTSIDE DIAMETER: 6.000 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 1.250 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
FACE WIDTH: 0.375 INCHES NOMINAL IN
•
TOOTH ARRANGEMENT: STAGGERED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
TOOTH TYPEINTEGRAL
OUTSIDE DIAMETER6.000 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER1.250 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FACE WIDTH0.375 INCHES NOMINAL IN
TOOTH ARRANGEMENTSTAGGERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
30723Interchangeable
interchangeable cross-reference
interchangeable
3275-149Interchangeable
interchangeable cross-reference
interchangeable
A554Interchangeable
interchangeable cross-reference
interchangeable
7652-247Interchangeable
interchangeable cross-reference
interchangeable
52222Interchangeable
interchangeable cross-reference
interchangeable
1247315-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B418 1/2?
B418 1/2 is a B418 1/2.
What parts can replace B418 1/2?
There are 19 known substitutes for B418 1/2: 30723, 3275-149, A554 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B418 1/2?
B418 1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-517-5554. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026