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542109 — IBM 16/32GB 14 TAPE DRIVE ASSM

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

542109: IBM 16/32GB 14 TAPE DRIVE ASSM.

The IBM 16/32GB 14 TAPE DRIVE ASSM is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN, body_outside_diameter: 0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-353-7278, 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
542109
NSN: 3120-00-353-7278
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
body_outside_diameter0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN
material_document_and_classificationQQ-P-691,TYPE 1,COMP 8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-353-7278
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 542109 · 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
KEY FEATURES
•
32GB Capacity
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-P-691,TYPE 1,COMP 8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
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
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.6270 INCHES MINIMUM AND 0.6280 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-P-691,TYPE 1,COMP 8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
40D42Reference document
Same NSN cross-reference
Reference document — Secondary reference
ASB28Reference document
Same NSN cross-reference
Reference document — Secondary reference
643906Reference document
Same NSN cross-reference
Reference document — Secondary reference
1G579AReference document
Same NSN cross-reference
Reference document — Design control — primary reference
102481Reference document
Same NSN cross-reference
Reference document — Secondary reference
IG579AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 542109?
542109 is a IBM 16/32GB 14 TAPE DRIVE ASSM.
What parts can replace 542109?
There are 8 known substitutes for 542109: 40D42, ASB28, 643906 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 542109?
542109 is cataloged in the U.S. Government catalog under NSN 3120-00-353-7278. 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.