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05-2191-2128 — PULLEY,FLAT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

05-2191-2128: PULLEY,FLAT.

The PULLEY,FLAT is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: STEEL OVERALL, rim_type: SOLID, bore_type: STRAIGHT, crown_face: NOT INCLUDED, face_width: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-940-0372, 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
05-2191-2128
NSN: 3020-00-940-0372
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 55683 — WHEELER FLEET SOLUTIONS, CO. (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialSTEEL OVERALL
rim_typeSOLID
bore_typeSTRAIGHT
crown_faceNOT INCLUDED
face_width1.250 INCHES NOMINAL IN
bore_length2.375 INCHES NOMINAL IN
design_formPLAIN
bore_featureINCLUDED
bore_diameter0.625 INCHES NOMINAL IN
hole_location1/4 IN. FROM HUB END IN
overall_length2.375 INCHES NOMINAL IN
NSN3020-00-940-0372
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,FLAT TITLE COMPONENT PN 05-2191-2128 MFR PULLEY,FLAT
KEY FEATURES
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
HUB OUTSIDE DIAMETER: 1.000 INCHES NOMINAL BOTH ENDS IN
•
BORE FEATURE: INCLUDED
•
SECURING METHOD: DRILLED HOLE
•
SPLIT HUB FEATURE: NOT INCLUDED
•
BORE LENGTH: 2.375 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
OUTSIDE DIAMETER: 3.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INTEGRAL COOLING VANENOT INCLUDED
HUB OUTSIDE DIAMETER1.000 INCHES NOMINAL BOTH ENDS IN
BORE FEATUREINCLUDED
SECURING METHODDRILLED HOLE
SPLIT HUB FEATURENOT INCLUDED
BORE LENGTH2.375 INCHES NOMINAL IN
DESIGN FORMPLAIN
OUTSIDE DIAMETER3.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
OVERALL LENGTH2.375 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
02191-2128Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 05-2191-2128?
05-2191-2128 is a PULLEY,FLAT.
What parts can replace 05-2191-2128?
There is 1 known substitute for 05-2191-2128: 02191-2128. Substitute compatibility should be verified for your specific system.
What is the NSN for 05-2191-2128?
05-2191-2128 is cataloged in the U.S. Government catalog under NSN 3020-00-940-0372. 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.