PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6309Gear,helical

Agco Corp Parts Opn · NSN 3020-00-141-8149 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-141-8149 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-141-8149. Primary manufacturer part number: 6309.
Features
  • Gear,helical — FSC 3020
  • Pitch Diameter: 4.4920 INCHES NOMINAL IN
  • Hub Nominal Diameter: 1.500 INCHES SECOND END IN
  • Hub Nominal Diameter: 1.500 INCHES FIRST END IN
  • Keyway Nominal Width: 0.158 INCHES BOTH ENDS IN
  • Style Designator: CONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB
  • Nominal Overall Length: 1.406 INCHES IN
  • Nominal Distance Between Body Face and Recessed Hub End: 0.531 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 3140 Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-141-8149, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Agco Corp Parts Opn. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-141-8149
Primary Part Number6309
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAgco Corp Parts Opn
StatusACTIVE
Pitch Diameter4.4920 INCHES NOMINAL IN
Hub Nominal Diameter1.500 INCHES SECOND END IN
Hub Nominal Diameter1.500 INCHES FIRST END IN
Keyway Nominal Width0.158 INCHES BOTH ENDS IN
Style DesignatorCONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB
Nominal Overall Length1.406 INCHES IN
Nominal Distance Between Body Face and Recessed Hub End0.531 INCHES FIRST END IN
Bore StyleW/ KEYWAY BOTH ENDS
Hardness Rating44.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
Nominal Outside Diameter4.6340 INCHES IN
Pressure Angle14.5000 DEGREES
Nominal Distance From Bore Center to Keyway Bottom0.570 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.656 INCHES SECOND END IN
Teeth TypeSINGLE HELIX
Hub Style DesignatorPLAIN BOTH ENDS
Teeth Quantity57
Tooth DirectionRIGHT
Face Nominal Width0.750 INCHES IN
MaterialSTEEL COMP 3140 OVERALL
Body StyleWEBBED, OFFSET, WITH LIGHTENING HOLES
Tooth FormSTANDARD
Helix Angle25.0000 DEGREES
Material Document and ClassificationSAE J778,COMP 3140 FED STD SINGLE MATERIAL RESPONSE OVERALL
Bore Nominal Diameter0.983 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-055-5038 INTERCHANGEABLE
Step Plate,mechanical Puller
3110-00-144-86690210591 INTERCHANGEABLE
Bearing,ball,annular
Agco Corp Parts Opn
5995-00-162-0910SCD6309 INTERCHANGEABLE
Cord Assembly,electrical,branche
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-199-82274055069 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Textron Aviation Inc
4730-00-203-35046309 INTERCHANGEABLE
Coupling,pipe
Cnh Industrial America Llc Dba Cnh America
5310-00-341-8734 INTERCHANGEABLE
Washer,slip Joint
5340-00-359-1823028166 INTERCHANGEABLE
Seat,helical Compression Spring
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
3460-00-540-06386309 INTERCHANGEABLE
Chuck,drill
Jacobs Chuck Mfg Co
3110-00-554-3468 INTERCHANGEABLE
Bearing,ball,annular
5955-00-884-1373630-9 INTERCHANGEABLE
Crystal Unit,quartz
Anritsu Company
Cross-Reference Index
Part NumberManufacturer
6309 Norfolk Naval Shipyard (USA)
14U1061PCDA6309 Naval Ship Systems Command (USA)
DE5209L Agco Corp Parts Opn (USA)
DA6309 Norfolk Naval Shipyard (USA)
DE5209 Agco Corp Parts Opn (USA)
14U1061PCDA6309 Naval Sea Systems Command (USA)
6309 PRIMARY Agco Corp Parts Opn (USA)
Related Parts
5120-00-055-5038INTERCHANGEABLE
STEP PLATE,MECHANICAL PULLER
3110-00-144-8669INTERCHANGEABLE
BEARING,BALL,ANNULAR
0210591
5995-00-162-0910INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL,BRANCHE
SCD6309
5330-00-199-8227INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
4055069
4730-00-203-3504INTERCHANGEABLE
COUPLING,PIPE
6309
5310-00-341-8734INTERCHANGEABLE
WASHER,SLIP JOINT
5340-00-359-1823INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
028166
3460-00-540-0638INTERCHANGEABLE
CHUCK,DRILL
6309
3110-00-554-3468INTERCHANGEABLE
BEARING,BALL,ANNULAR
5955-00-884-1373INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
630-9
5330-01-013-2113INTERCHANGEABLE
SEAL
6309
3110-01-133-2915INTERCHANGEABLE
BEARING

Frequently Asked Questions

What is NSN 3020-00-141-8149?

NSN 3020-00-141-8149 is a Gear,helical, manufactured by Agco Corp Parts Opn, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-141-8149?

NSN 3020-00-141-8149 has 7 cross-referenced part numbers: 6309 (Norfolk Naval Shipyard), 14U1061PCDA6309 (Naval Ship Systems Command), DE5209L (Agco Corp Parts Opn), DA6309 (Norfolk Naval Shipyard), DE5209 (Agco Corp Parts Opn) and 2 more.

What NSN replaces 3020-00-141-8149?

There are 12 known substitutes for 3020-00-141-8149: 5120-00-055-5038, 3110-00-144-8669, 5995-00-162-0910 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6309?

Key specifications for 6309: Pitch Diameter: 4.4920 INCHES NOMINAL IN; Hub Nominal Diameter: 1.500 INCHES SECOND END IN; Hub Nominal Diameter: 1.500 INCHES FIRST END IN; Keyway Nominal Width: 0.158 INCHES BOTH ENDS IN. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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