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591395 — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

591395: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: SERRATED BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 120.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-028-2670, 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
591395
NSN: 3020-00-028-2670
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_styleSERRATED BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
helix_angle120.0000 DEGREES
pitch_diameter3.3420 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity23
tooth_directionRIGHT
style_designatorPROTRUDING HUB
face_nominal_width0.764 INCHES IN
NSN3020-00-028-2670
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 591395 MFR GEAR,HELICAL
KEY FEATURES
•
HELIX ANGLE: 120.0000 DEGREES
•
HUB NOMINAL DIAMETER: 2.461 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 23
•
BODY STYLE: PLAIN, SOLID
•
TOOTH DIRECTION: RIGHT
•
BORE STYLE: SERRATED BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.248 INCHES FIRST END IN
•
SERRATION PITCH DIAMETER: 1.9580 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
HELIX ANGLE120.0000 DEGREES
HUB NOMINAL DIAMETER2.461 INCHES BOTH ENDS IN
TEETH QUANTITY23
BODY STYLEPLAIN, SOLID
TOOTH DIRECTIONRIGHT
BORE STYLESERRATED BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.248 INCHES FIRST END IN
SERRATION PITCH DIAMETER1.9580 INCHES NOMINAL BOTH ENDS IN
TEETH TYPESINGLE HELIX
STYLE DESIGNATORPROTRUDING HUB
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
K345-5Reference 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 591395?
591395 is a GEAR,HELICAL.
What parts can replace 591395?
There is 1 known substitute for 591395: K345-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 591395?
591395 is cataloged in the U.S. Government catalog under NSN 3020-00-028-2670. 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.