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6540-71-003-5042 — PULLEY,GROOVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6540-71-003-5042: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: INCLUDED, material: STEEL CORROSION RESISTING OVERALL, bore_type: STRAIGHT, face_width: 3.380 INCHES NOMINAL IN, bore_length: 3.125 INCHES NOMINAL IN, design_form: WEBBED. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-090-8464, 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
6540-71-003-5042
NSN: 3020-01-090-8464
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
bearingsINCLUDED
materialSTEEL CORROSION RESISTING OVERALL
bore_typeSTRAIGHT
face_width3.380 INCHES NOMINAL IN
bore_length3.125 INCHES NOMINAL IN
design_formWEBBED
bearing_typeFLANGED
bore_featureINCLUDED
groove_depth1.500 INCHES NOMINAL IN
groove_shapeV
groove_width3.000 INCHES NOMINAL IN
bore_diameter0.500 INCHES NOMINAL IN
NSN3020-01-090-8464
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN 6540-71-003-5042 MFR PULLEY,GROOVE
KEY FEATURES
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
HUB OUTSIDE DIAMETER: 1.000 INCHES NOMINAL BOTH ENDS IN
•
BORE FEATURE: INCLUDED
•
BEARING QUANTITY: 2
•
SPLIT HUB FEATURE: NOT INCLUDED
•
BORE LENGTH: 3.125 INCHES NOMINAL IN
•
DESIGN FORM: WEBBED
•
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE: NOT OFFSET
TECHNICAL CHARACTERISTICS
INTEGRAL COOLING VANENOT INCLUDED
HUB OUTSIDE DIAMETER1.000 INCHES NOMINAL BOTH ENDS IN
BORE FEATUREINCLUDED
BEARING QUANTITY2
SPLIT HUB FEATURENOT INCLUDED
BORE LENGTH3.125 INCHES NOMINAL IN
DESIGN FORMWEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINENOT OFFSET
GROOVE SHAPEV
OUTSIDE DIAMETER5.820 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES 1
65407-10035Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6540-71-003-5042?
6540-71-003-5042 is a PULLEY,GROOVE.
What parts can replace 6540-71-003-5042?
There is 1 known substitute for 6540-71-003-5042: 65407-10035. Substitute compatibility should be verified for your specific system.
What is the NSN for 6540-71-003-5042?
6540-71-003-5042 is cataloged in the U.S. Government catalog under NSN 3020-01-090-8464. 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.