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6665647 — PULLEY,GROOVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6665647: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: STEEL OVERALL, bore_type: STRAIGHT, face_width: 1.312 INCHES NOMINAL IN, bore_length: 1.3750 INCHES NOMINAL IN, design_form: WEBBED. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-424-9798, 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
6665647
NSN: 3020-01-424-9798
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialSTEEL OVERALL
bore_typeSTRAIGHT
face_width1.312 INCHES NOMINAL IN
bore_length1.3750 INCHES NOMINAL IN
design_formWEBBED
bore_featureINCLUDED
groove_depth0.660 INCHES NOMINAL IN
groove_shapeU
groove_width1.250 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
groove_quantity1
NSN3020-01-424-9798
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN 6665647 MFR PULLEY,GROOVE
KEY FEATURES
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
HUB OUTSIDE DIAMETER: 2.500 INCHES NOMINAL BOTH ENDS IN
•
BORE FEATURE: INCLUDED
•
SPLIT HUB FEATURE: NOT INCLUDED
•
BORE LENGTH: 1.3750 INCHES NOMINAL IN
•
DESIGN FORM: WEBBED
•
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE: NOT OFFSET
•
GROOVE SHAPE: U
TECHNICAL CHARACTERISTICS
INTEGRAL COOLING VANENOT INCLUDED
HUB OUTSIDE DIAMETER2.500 INCHES NOMINAL BOTH ENDS IN
BORE FEATUREINCLUDED
SPLIT HUB FEATURENOT INCLUDED
BORE LENGTH1.3750 INCHES NOMINAL IN
DESIGN FORMWEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINENOT OFFSET
GROOVE SHAPEU
OUTSIDE DIAMETER8.000 INCHES NOMINAL IN
STYLE DESIGNATORWEBBED OR SPOKED
SUBSTITUTES & CROSS-REFERENCES 2
6665643Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
6665643 ITEM 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6665647?
6665647 is a PULLEY,GROOVE.
What parts can replace 6665647?
There are 2 known substitutes for 6665647: 6665643, 6665643 ITEM 3. Substitute compatibility should be verified for your specific system.
What is the NSN for 6665647?
6665647 is cataloged in the U.S. Government catalog under NSN 3020-01-424-9798. 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.