PartsTable TECHNICAL DATA SHEET
NSN 3020-01-074-4974Government record, cited

Gear, Spur3020-01-074-4974

NSN 3020-01-074-4974 · NIIN 010744974 · Part number 12267235
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 19207
Government record, cited
NSN 3020-01-074-4974 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-074-4974. Manufacturer of record part number: 12267235.
Also searched as  3020-01-074-4974 · 3020010744974 · NIIN 010744974 · 01-074-4974 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 19207 · 12267235 · DAX12487
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 49
  • Body Style: PLAIN, SOLID
  • Nominal Distance Between Body Face and Protruding Hub End: 1.250 INCHES BOTH ENDS IN
  • Style Designator: PROTRUDING HUBS
  • Pitch Diameter: 6.1250 INCHES NOMINAL IN
  • Nominal Outside Diameter: 6.335 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
Identification
  • NSN: 3020-01-074-4974
  • NIIN: 010744974
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 12267235
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-074-4974, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-074-4974
Primary Part Number12267235
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Teeth Quantity49
Body StylePLAIN, SOLID
Nominal Distance Between Body Face and Protruding Hub End1.250 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUBS
Pitch Diameter6.1250 INCHES NOMINAL IN
Nominal Outside Diameter6.335 INCHES IN
Pressure Angle20.0000 DEGREES
MaterialSTEEL OVERALL
Face Nominal Width2.700 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
12267235 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
DAX12487 Allison Transmission Inc Dba Allison Transmission, Inc (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 3020-01-074-4974?

NSN 3020-01-074-4974 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-074-4974?

NSN 3020-01-074-4974 has 2 manufacturer part numbers on file: 12267235 (U S Army Tank Automotive Command Amsta-Im-Mm), DAX12487 (Allison Transmission Inc Dba Allison Transmission, Inc).

What are the specifications of 12267235?

Key specifications for 12267235: Teeth Quantity: 49; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 1.250 INCHES BOTH ENDS IN; Style Designator: PROTRUDING HUBS. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-074-4974 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.

What is the DEMIL code for NSN 3020-01-074-4974?

NSN 3020-01-074-4974 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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