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PartsTable / COMPONENT / B74.2 A30TB 20X1/8X1
B74.2 A30TB 20X1/8X1 ✓ 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 B74.2 A30TB 20X1/8X1 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 3460-01-022-3903, 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
B74.2 A30TB 20X1/8X1
NSN: 3460-01-022-3903
FSC: 3460
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberB74.2 A30TB 20X1/8X1
Capacity30TB
NSN3460-01-022-3903
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR CAP: 30TB B74.2 A30TB 20X1/8X1 TITLE COMPONENT PN B74.2 A30TB 20X1/8X1 MFR B74.2 A30TB 20X1/8X1
KEY FEATURES
•
30TB Capacity
•
HOLE DIAMETER: 1.000 INCHES NOMINAL IN
•
WHEEL STYLE: STRAIGHT
•
MOUNTING OPENING SHAPE STYLE: ROUND
•
MOUNTING METHOD: ARBOR HOLE
•
ABRASIVE GRAIN STRUCTURE DESIGNATOR: 6
•
ABRASIVE BOND GRADE DESIGNATION: T HARD
•
OVERALL THICKNESS: 0.125 INCHES NOMINAL IN
•
USAGE DESIGN: METALWORKING
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER1.000 INCHES NOMINAL IN
WHEEL STYLESTRAIGHT
MOUNTING OPENING SHAPE STYLEROUND
MOUNTING METHODARBOR HOLE
ABRASIVE GRAIN STRUCTURE DESIGNATOR6
ABRASIVE BOND GRADE DESIGNATIONT HARD
OVERALL THICKNESS0.125 INCHES NOMINAL IN
USAGE DESIGNMETALWORKING
WHEEL DIAMETER20.000 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80204-B74.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
B74.2 AND B74.13Interchangeable
interchangeable cross-reference
interchangeable
MIL-W-16102Interchangeable
interchangeable cross-reference
interchangeable
B74.2 TY1GRRInterchangeable
interchangeable cross-reference
interchangeable
B74.2 TY1GRRNR4Interchangeable
interchangeable cross-reference
interchangeable
B74.13 A30R4BFInterchangeable
interchangeable cross-reference
interchangeable
B74.2/B74.13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B74.2 A30TB 20X1/8X1?
B74.2 A30TB 20X1/8X1 is a B74.2 A30TB 20X1/8X1.
What parts can replace B74.2 A30TB 20X1/8X1?
There are 16 known substitutes for B74.2 A30TB 20X1/8X1: B74.2 AND B74.13, MIL-W-16102, B74.2 TY1GRR and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B74.2 A30TB 20X1/8X1?
B74.2 A30TB 20X1/8X1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3460-01-022-3903. 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