PartsTable TECHNICAL DATA SHEET
NSN 3020-01-581-5178Government record, cited

Gear, Spur3020-01-581-5178

NSN 3020-01-581-5178 · NIIN 015815178 · Part number 22-855AITEM9
Dyna-Torque Inc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 65691
Government record, cited
NSN 3020-01-581-5178 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-581-5178. Manufacturer of record part number: 22-855AITEM9.
Also searched as  3020-01-581-5178 · 3020015815178 · NIIN 015815178 · 01-581-5178 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 65691 · 22-855AITEM9
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Material: STEEL OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Dyna-Torque Inc
Identification
  • NSN: 3020-01-581-5178
  • NIIN: 015815178
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 22-855AITEM9
  • Manufacturer: Dyna-Torque Inc
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-581-5178, 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 Dyna-Torque Inc. Government technical data includes 1 specification, 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
NSN3020-01-581-5178
Primary Part Number22-855AITEM9
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerDyna-Torque Inc
StatusACTIVE
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
22-855AITEM9 PRIMARY Dyna-Torque 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 3020-01-581-5178?

NSN 3020-01-581-5178 is a Gear,spur, manufactured by Dyna-Torque Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-581-5178?

NSN 3020-01-581-5178 has 1 manufacturer part number on file: 22-855AITEM9 (Dyna-Torque Inc).

What are the specifications of 22-855AITEM9?

Key specifications for 22-855AITEM9: Special Features: MATERIAL; HARDENED 4340 STEEL; Part Name Assigned by Controlling Agency: GEAR, SPUR IDLER; End Item Identification: BG4GT REVERSE SPUR; Material: STEEL OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 3020-01-581-5178 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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