PartsTable TECHNICAL DATA SHEET
NSN 3020-01-433-8254Government record, cited

Gear, Spur3020-01-433-8254

NSN 3020-01-433-8254 · NIIN 014338254 · Part number TMD27H00404
Wisconsin Motors, Llc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 66289
Government record, cited
NSN 3020-01-433-8254 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-433-8254. Manufacturer of record part number: TMD27H00404.
Also searched as  3020-01-433-8254 · 3020014338254 · NIIN 014338254 · 01-433-8254 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 66289 · TMD27H00404
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Keyway Nominal Width: 4.0 MILLIMETERS BOTH ENDS MM
  • Bore Nominal Diameter: 28.4 MILLIMETERS BOTH ENDS MM
  • Hub Nominal Diameter: 49.3 MILLIMETERS SECOND END MM
  • Teeth Quantity: 34
  • Body Style: PLAIN, SOLID
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Mounting Hole Type and Quantity: 3 COUNTERSUNK AND 3 THREADED AXIALLY THROUGH BODY SECOND END
Identification
  • NSN: 3020-01-433-8254
  • NIIN: 014338254
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: TMD27H00404
  • Manufacturer: Wisconsin Motors, Llc
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-433-8254, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-433-8254
Primary Part NumberTMD27H00404
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerWisconsin Motors, Llc
StatusACTIVE
Keyway Nominal Width4.0 MILLIMETERS BOTH ENDS MM
Bore Nominal Diameter28.4 MILLIMETERS BOTH ENDS MM
Hub Nominal Diameter49.3 MILLIMETERS SECOND END MM
Teeth Quantity34
Body StylePLAIN, SOLID
Bore StyleW/ KEYWAY BOTH ENDS
Mounting Hole Type and Quantity3 COUNTERSUNK AND 3 THREADED AXIALLY THROUGH BODY SECOND END
Nominal Distance Between Body Face and Protruding Hub End7.6 MILLIMETERS SECOND END MM
Mounting Hole Nominal Diameter11.0 MILLIMETERS AXIALLY THROUGH BODY SECOND END MM
Style DesignatorPROTRUDING HUB, RECESSED BODY
Pitch Diameter86.4 MILLIMETERS NOMINAL MM
Tooth FormSTANDARD
Hub Style DesignatorPLAIN SECOND END
Mounting Hole Thread Pitch in Millimeters1.50 AXIALLY THROUGH BODY SECOND END
Mounting Hole Nominal Thread Size10.0 MILLIMETERS AXIALLY THROUGH BODY SECOND END MM
Nominal Outside Diameter91.3 MILLIMETERS MM
Nominal Distance From Bore Center to Keyway Bottom13.6 MILLIMETERS BOTH ENDS MM
Pressure Angle20.0000 DEGREES
MaterialSTEEL COMP 1141 OVERALL
Mounting Hole Thread Series DesignatorISO M AXIALLY THROUGH BODY SECOND END
Attachment MethodMOUNTING HOLE
Body Recess Nominal Depth12.5 MILLIMETERS SECOND END MM
Face Nominal Width49.3 MILLIMETERS MM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
TMD27H00404 PRIMARY Wisconsin Motors, Llc (USA)
No interchangeability data on file.
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
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-01-433-8254?

NSN 3020-01-433-8254 is a Gear,spur, manufactured by Wisconsin Motors, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-433-8254?

NSN 3020-01-433-8254 has 1 manufacturer part number on file: TMD27H00404 (Wisconsin Motors, Llc).

What are the specifications of TMD27H00404?

Key specifications for TMD27H00404: Keyway Nominal Width: 4.0 MILLIMETERS BOTH ENDS MM; Bore Nominal Diameter: 28.4 MILLIMETERS BOTH ENDS MM; Hub Nominal Diameter: 49.3 MILLIMETERS SECOND END MM; Teeth Quantity: 34. 23 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-433-8254 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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