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NSN 3020-01-178-7138Government record, cited

Gear, Spur3020-01-178-7138

NSN 3020-01-178-7138 · NIIN 011787138 · Part number 54979
Acco-Babcock Inc Hoist and Crane Div · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 79805
Government record, cited
NSN 3020-01-178-7138 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-178-7138. Manufacturer of record part number: 54979.
Also searched as  3020-01-178-7138 · 3020011787138 · NIIN 011787138 · 01-178-7138 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 79805 · 54979
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 83
  • Material: STEEL OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Acco-Babcock Inc Hoist and Crane Div
Identification
  • NSN: 3020-01-178-7138
  • NIIN: 011787138
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 54979
  • Manufacturer: Acco-Babcock Inc Hoist and Crane Div
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-178-7138, 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 Acco-Babcock Inc Hoist and Crane Div. Government technical data includes 2 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
NSN3020-01-178-7138
Primary Part Number54979
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerAcco-Babcock Inc Hoist and Crane Div
StatusACTIVE
Teeth Quantity83
MaterialSTEEL OVERALL
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
54979 PRIMARY Acco-Babcock Inc Hoist and Crane Div (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 3020-01-178-7138?

NSN 3020-01-178-7138 is a Gear,spur, manufactured by Acco-Babcock Inc Hoist and Crane Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-178-7138?

NSN 3020-01-178-7138 has 1 manufacturer part number on file: 54979 (Acco-Babcock Inc Hoist and Crane Div).

What are the specifications of 54979?

Key specifications for 54979: Teeth Quantity: 83; Material: STEEL OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-178-7138 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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