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Technical Data Sheet
PartsTable / COMPONENT / 30-003C-A IT 5
30-003C-A IT 5 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL CORROSION RESISTING AND ALUMINUM ALLOY 6061, overall_width: 4.760 INCHES NOMINAL IN, overall_height: 4.310 INCHES NOMINAL IN, overall_length: 17.960 INCHES NOMINAL IN, surface_treatment: OXIDE, end_item_identification: S-3 ACFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-502-8391, 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
30-003C-A IT 5
NSN: 3120-01-502-8391
FSC: 3120
CAGE: 1PQ32 — KONRAD MARINE INC DIV KONRAD MARINE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING AND ALUMINUM ALLOY 6061
overall_width4.760 INCHES NOMINAL IN
overall_height4.310 INCHES NOMINAL IN
overall_length17.960 INCHES NOMINAL IN
surface_treatmentOXIDE
end_item_identificationS-3 ACFT
material_document_and_classificationQQ-A-250/11, ALLOY 6061, T6 FED SPEC 2ND MATERIAL RESPONSE
NSN3120-01-502-8391
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 30-003C-A IT 5 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A1038-2Interchangeable
interchangeable cross-reference
interchangeable
1038-2Interchangeable
interchangeable cross-reference
interchangeable
56237Interchangeable
interchangeable cross-reference
interchangeable
SM-B-187440Interchangeable
interchangeable cross-reference
interchangeable
T842F5PC35Interchangeable
interchangeable cross-reference
interchangeable
6463N1PC17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30-003C-A IT 5?
30-003C-A IT 5 is a BEARING,ROLLER,TAPERED.
What parts can replace 30-003C-A IT 5?
There are 15 known substitutes for 30-003C-A IT 5: A1038-2, 1038-2, 56237 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30-003C-A IT 5?
30-003C-A IT 5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-502-8391. 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