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MD342-1 — PULLEY,GROOVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MD342-1: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: IRON CAST OVERALL, bore_type: STRAIGHT, face_width: 0.750 INCHES NOMINAL IN, bore_length: 0.750 INCHES NOMINAL IN, design_form: WEBBED. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-893-1803, 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
MD342-1
NSN: 3020-00-893-1803
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
bearingsNOT INCLUDED
materialIRON CAST OVERALL
quantity1
bore_typeSTRAIGHT
face_width0.750 INCHES NOMINAL IN
bore_length0.750 INCHES NOMINAL IN
design_formWEBBED
thread_size10-32
bore_featureINCLUDED
groove_depth0.375 INCHES NOMINAL IN
groove_shapeV
groove_width0.500 INCHES NOMINAL IN
NSN3020-00-893-1803
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY,GROOVE TITLE COMPONENT PN MD342-1 MFR PULLEY,GROOVE
KEY FEATURES
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
HUB OUTSIDE DIAMETER: 1.250 INCHES NOMINAL AA END IN
•
BORE FEATURE: INCLUDED
•
SECURING METHOD: THREADED HOLE(S)
•
SPLIT HUB FEATURE: NOT INCLUDED
•
BORE LENGTH: 0.750 INCHES NOMINAL IN
•
DESIGN FORM: WEBBED
•
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE: NOT OFFSET
TECHNICAL CHARACTERISTICS
INTEGRAL COOLING VANENOT INCLUDED
HUB OUTSIDE DIAMETER1.250 INCHES NOMINAL AA END IN
BORE FEATUREINCLUDED
SECURING METHODTHREADED HOLE(S)
SPLIT HUB FEATURENOT INCLUDED
BORE LENGTH0.750 INCHES NOMINAL IN
DESIGN FORMWEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINENOT OFFSET
GROOVE SHAPEV
STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNEDA
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
MD342ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 MD342-1?
MD342-1 is a PULLEY,GROOVE.
What parts can replace MD342-1?
There is 1 known substitute for MD342-1: MD342A. Substitute compatibility should be verified for your specific system.
What is the NSN for MD342-1?
MD342-1 is cataloged in the U.S. Government catalog under NSN 3020-00-893-1803. 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.