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NSN 3040-01-077-7401Government record, cited

Gearshaft, Spur3040-01-077-7401

NSN 3040-01-077-7401 · NIIN 010777401 · Part number 9N1974
Caterpillar Inc Div Caterpillar Defense · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 11083
Government record, cited
NSN 3040-01-077-7401 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-077-7401. Manufacturer of record part number: 9N1974.
Also searched as  3040-01-077-7401 · 3040010777401 · NIIN 010777401 · 01-077-7401 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 11083 · 9N1974
Nearby stock numbers  ·
Features
  • Gearshaft,spur — FSC 3040
  • Shaft Material: STEEL
  • Teeth Quantity: 85
  • Gear Material: STEEL
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 3040-01-077-7401
  • NIIN: 010777401
  • FSC: 3040 — Miscellaneous Power Transmission Equipment
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 9N1974
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-01-077-7401, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 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
NSN3040-01-077-7401
Primary Part Number9N1974
Item NameGearshaft,spur
FSC / FSG3040 / 30 — Miscellaneous Power Transmission Equipment
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Shaft MaterialSTEEL
Teeth Quantity85
Gear MaterialSTEEL
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
9N1974 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
No interchangeability data on file.
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046
3040-00-001-0046 · Item name not on file
3040-00-001-0047
3040-00-001-0047 · Item name not on file
3040-00-001-0048
3040-00-001-0048 · Item name not on file
3040-00-001-0068
3040-00-001-0068 · Item name not on file
3040-00-001-0077
3040-00-001-0077 · Item name not on file
3040-00-001-0078
3040-00-001-0078 · Item name not on file
3040-00-001-0089
3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-077-7401?

NSN 3040-01-077-7401 is a Gearshaft,spur, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-077-7401?

NSN 3040-01-077-7401 has 1 manufacturer part number on file: 9N1974 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 9N1974?

Key specifications for 9N1974: Shaft Material: STEEL; Teeth Quantity: 85; Overall Length: 12.212 INCHES NOMINAL IN; Gear Material: STEEL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-077-7401 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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