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178956 — PULLEY,GROOVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

178956: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: STEEL AND STEEL CORROSION RESISTING OVERALL, bore_type: STRAIGHT, face_width: 2.920 INCHES NOMINAL IN, bore_length: 2.920 INCHES NOMINAL IN, design_form: WEBBED. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-032-1734, 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
178956
NSN: 3020-00-032-1734
NIINs: 000321734, 012522719
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialSTEEL AND STEEL CORROSION RESISTING OVERALL
bore_typeSTRAIGHT
face_width2.920 INCHES NOMINAL IN
bore_length2.920 INCHES NOMINAL IN
design_formWEBBED
bore_featureINCLUDED
groove_depth0.655 INCHES NOMINAL IN
groove_width0.760 INCHES NOMINAL IN
bore_diameter2.420 INCHES NOMINAL IN
groove_radius0.380 INCHES NOMINAL IN
groove_quantity1
NSN3020-00-032-1734
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN 178956 MFR PULLEY,GROOVE
KEY FEATURES
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
BORE FEATURE: INCLUDED
•
SPLIT HUB FEATURE: NOT INCLUDED
•
BORE LENGTH: 2.920 INCHES NOMINAL IN
•
DESIGN FORM: WEBBED
•
GROOVE RADIUS: 0.380 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 5.310 INCHES NOMINAL IN
•
STYLE DESIGNATOR: WEBBED OR SPOKED
TECHNICAL CHARACTERISTICS
INTEGRAL COOLING VANENOT INCLUDED
BORE FEATUREINCLUDED
SPLIT HUB FEATURENOT INCLUDED
BORE LENGTH2.920 INCHES NOMINAL IN
DESIGN FORMWEBBED
GROOVE RADIUS0.380 INCHES NOMINAL IN
OUTSIDE DIAMETER5.310 INCHES NOMINAL IN
STYLE DESIGNATORWEBBED OR SPOKED
GROOVE DEPTH0.655 INCHES NOMINAL IN
BORE TYPESTRAIGHT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 178956?
178956 is a PULLEY,GROOVE.
What is the NSN for 178956?
178956 is cataloged in the U.S. Government catalog under NSN 3020-00-032-1734. 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.