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Technical Data Sheet
PartsTable / COMPONENT / B74.3
B74.3 ✓ 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 B74.3 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 3460-01-003-7610, 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
B74.3
NSN: 3460-01-003-7610
FSC: 3460
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberB74.3
NSN3460-01-003-7610
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available B74.3 TITLE COMPONENT PN B74.3 MFR B74.3
KEY FEATURES
•
HOLE DIAMETER: 1.250 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1A1 TYPE
•
SCREEN GRIT SIZE DESIGNATOR: 180
•
OVERALL THICKNESS: 0.500 INCHES NOMINAL IN
•
USAGE DESIGN: GLASS WORKING
•
ABRASIVE BOND GRADE DESIGNATION: N MEDIUM
•
WHEEL STYLE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER1.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1A1 TYPE
SCREEN GRIT SIZE DESIGNATOR180
OVERALL THICKNESS0.500 INCHES NOMINAL IN
SPECIAL FEATURESDIAMOND DEPTH 1/8 IN. IN
USAGE DESIGNGLASS WORKING
ABRASIVE BOND GRADE DESIGNATIONN MEDIUM
WHEEL STYLESTRAIGHT
MOUNTING OPENING SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA80204-B74.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
51078Interchangeable
interchangeable cross-reference
interchangeable
15250Interchangeable
interchangeable cross-reference
interchangeable
6954Interchangeable
interchangeable cross-reference
interchangeable
3593572Interchangeable
interchangeable cross-reference
interchangeable
0096954Interchangeable
interchangeable cross-reference
interchangeable
B743Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B74.3?
B74.3 is a B74.3.
What parts can replace B74.3?
There are 16 known substitutes for B74.3: 51078, 15250, 6954 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B74.3?
B74.3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3460-01-003-7610. 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