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1027383 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
3M · COMPONENT
PRODUCT OVERVIEW

1027383: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a 3M tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL, connection_style: CLEVIS WITH COTTER TYPE CLOSURE, style_designator: OPEN ENDS, fabrication_method: FORGED, accommodated_material_diameter: 0.250 INCHES NOMINAL IN, connection_to_body_relationship: PARALLEL. This part is cataloged in the U.S.

Government catalog under NSN 4030-00-959-1073, 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
1027383
NSN: 4030-00-959-1073
FSC: 4030 — Fittings for Rope, Cable, and Chain
CAGE: 75535 — THE CROSBY GROUP LLC DBA THE CROSBY GROUP (USA)
SPECIFICATIONS
materialSTEEL
connection_styleCLEVIS WITH COTTER TYPE CLOSURE
style_designatorOPEN ENDS
fabrication_methodFORGED
accommodated_material_diameter0.250 INCHES NOMINAL IN
connection_to_body_relationshipPARALLEL
NSN4030-00-959-1073
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M CUP,TAPERED ROLLER BEARING TITLE COMPONENT PN 1027383 MFR 3M CUP,TAPERED ROLLER BEA
KEY FEATURES
•
CONNECTION STYLE: CLEVIS WITH COTTER TYPE CLOSURE
•
STYLE DESIGNATOR: OPEN ENDS
•
ACCOMMODATED MATERIAL DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
FABRICATION METHOD: FORGED
•
CONNECTION TO BODY RELATIONSHIP: PARALLEL
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
CONNECTION STYLECLEVIS WITH COTTER TYPE CLOSURE
STYLE DESIGNATOROPEN ENDS
ACCOMMODATED MATERIAL DIAMETER0.250 INCHES NOMINAL IN
MATERIALSTEEL
FABRICATION METHODFORGED
CONNECTION TO BODY RELATIONSHIPPARALLEL
SUBSTITUTES & CROSS-REFERENCES 3
66192Reference document
Same NSN cross-reference
Reference document — Secondary reference
H-331 1/4 INCHReference document
Same NSN cross-reference
Reference document — Secondary reference
H770S1-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1027383?
1027383 is a CUP,TAPERED ROLLER BEARING manufactured by 3M.
What parts can replace 1027383?
There are 3 known substitutes for 1027383: 66192, H-331 1/4 INCH, H770S1-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 1027383?
1027383 is cataloged in the U.S. Government catalog under NSN 4030-00-959-1073. 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.