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50412DA — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

50412DA: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, pitch_diameter: 5.7500 INCHES NOMINAL IN, teeth_quantity: 54, tooth_direction: RIGHT, style_designator: HUBLESS, RECESSED BODY, attachment_method: SLOT. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-355-3793, 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
50412DA
NSN: 3020-00-355-3793
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialSTEEL OVERALL
pitch_diameter5.7500 INCHES NOMINAL IN
teeth_quantity54
tooth_directionRIGHT
style_designatorHUBLESS, RECESSED BODY
attachment_methodSLOT
face_nominal_width1.000 INCHES IN
bore_nominal_diameter1.6875 INCHES BOTH ENDS IN
nominal_outside_diameter6.0000 INCHES IN
NSN3020-00-355-3793
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 50412DA MFR GEAR,HELICAL
KEY FEATURES
•
BORE NOMINAL DIAMETER: 1.6875 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 54
•
TOOTH DIRECTION: RIGHT
•
STYLE DESIGNATOR: HUBLESS, RECESSED BODY
•
PITCH DIAMETER: 5.7500 INCHES NOMINAL IN
•
NOMINAL OUTSIDE DIAMETER: 6.0000 INCHES IN
•
MATERIAL: STEEL OVERALL
•
ATTACHMENT METHOD: SLOT
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER1.6875 INCHES BOTH ENDS IN
TEETH QUANTITY54
TOOTH DIRECTIONRIGHT
STYLE DESIGNATORHUBLESS, RECESSED BODY
PITCH DIAMETER5.7500 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER6.0000 INCHES IN
MATERIALSTEEL OVERALL
ATTACHMENT METHODSLOT
FACE NOMINAL WIDTH1.000 INCHES 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
50412DReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50412DA?
50412DA is a GEAR,HELICAL.
What parts can replace 50412DA?
There is 1 known substitute for 50412DA: 50412D. Substitute compatibility should be verified for your specific system.
What is the NSN for 50412DA?
50412DA is cataloged in the U.S. Government catalog under NSN 3020-00-355-3793. 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.