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6665642 — FAIRLEAD,ROLLER AND SHEAVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6665642: FAIRLEAD,ROLLER AND SHEAVE.

The FAIRLEAD,ROLLER AND SHEAVE is a the manufacturer industrial component. Key specifications include material: STEEL FRAME, base_width: 3.250 INCHES NOMINAL IN, base_length: 12.250 INCHES NOMINAL IN, design_type: TRACK-RIDING, bearing_type: ROLLER, usage_design: GENERAL. This part is cataloged in the U.S.

Government catalog under NSN 3815-01-443-6552, 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
6665642
NSN: 3815-01-443-6552
FSC: 3815 — Crane and Crane-shovel Attachments
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL FRAME
base_width3.250 INCHES NOMINAL IN
base_length12.250 INCHES NOMINAL IN
design_typeTRACK-RIDING
bearing_typeROLLER
usage_designGENERAL
overall_height19.500 INCHES NOMINAL IN
roller_quantity1
sheave_quantity1 LOCATION NOT OTHERWISE SPECIFIED
cable_opening_diameter0.750 INCHES NOMINAL IN
roller_outside_diameter3.500 INCHES NOMINAL IN
sheave_outside_diameter12.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN3815-01-443-6552
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FAIRLEAD,ROLLER AND SHEAVE TITLE COMPONENT PN 6665642 MFR FAIRLEAD,ROLLER AND SH
KEY FEATURES
•
WIRE ROPE ACCOMMODATED DIAMETER: 0.625 INCHES IN
•
USAGE DESIGN: GENERAL
•
DESIGN TYPE: TRACK-RIDING
•
SHEAVE OUTSIDE DIAMETER: 12.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
ROLLER OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
BASE WIDTH: 3.250 INCHES NOMINAL IN
•
LINE QUANTITY ACCOMMODATED: 1
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT19.500 INCHES NOMINAL IN
WIRE ROPE ACCOMMODATED DIAMETER0.625 INCHES IN
USAGE DESIGNGENERAL
DESIGN TYPETRACK-RIDING
SHEAVE OUTSIDE DIAMETER12.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
ROLLER OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
BASE WIDTH3.250 INCHES NOMINAL IN
LINE QUANTITY ACCOMMODATED1
ROLLER QUANTITY1
BASE LENGTH12.250 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3815 — Crane and Crane-shovel Attachments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3815-00-005-1088 3815-00-005-1089 3815-00-010-2863 3815-00-010-2864 3815-00-011-5193 3815-00-011-5194 3815-00-017-9482 3815-00-018-7005
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6665642?
6665642 is a FAIRLEAD,ROLLER AND SHEAVE.
What is the NSN for 6665642?
6665642 is cataloged in the U.S. Government catalog under NSN 3815-01-443-6552. 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.