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NSN 3020-01-279-4645Government record, cited

Gear Sector, Worm Wheel3020-01-279-4645

NSN 3020-01-279-4645 · NIIN 012794645 · Part number 5-39MIL3-0803-7
Duragear Limited · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 0AS04
Government record, cited
NSN 3020-01-279-4645 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-279-4645. Manufacturer of record part number: 5-39MIL3-0803-7.
Also searched as  3020-01-279-4645 · 3020012794645 · NIIN 012794645 · 01-279-4645 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 0AS04 · 5-39MIL3-0803-7
Nearby stock numbers  ·
Features
  • Gear Sector,worm Wheel — FSC 3020
  • Keyway Nominal Width: 0.188 INCHES BOTH ENDS IN
  • Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Pressure Angle: 20.0000 DEGREES
  • Mating Thread Lead Quantity: 1
  • 1 manufacturer part number on file
  • Manufacturer of record: Duragear Limited
Identification
  • NSN: 3020-01-279-4645
  • NIIN: 012794645
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 5-39MIL3-0803-7
  • Manufacturer: Duragear Limited
General Description

The Gear Sector,worm Wheel, cataloged under National Stock Number 3020-01-279-4645, 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 Duragear Limited. Government technical data includes 5 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
NSN3020-01-279-4645
Primary Part Number5-39MIL3-0803-7
Item NameGear Sector,worm Wheel
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerDuragear Limited
StatusACTIVE
Keyway Nominal Width0.188 INCHES BOTH ENDS IN
Bore Nominal Diameter0.500 INCHES BOTH ENDS IN
Bore StyleW/ KEYWAY BOTH ENDS
Pressure Angle20.0000 DEGREES
Mating Thread Lead Quantity1
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
5-39MIL3-0803-7 PRIMARY Duragear Limited (CAN)
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 3020-01-279-4645?

NSN 3020-01-279-4645 is a Gear Sector,worm Wheel, manufactured by Duragear Limited, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-279-4645?

NSN 3020-01-279-4645 has 1 manufacturer part number on file: 5-39MIL3-0803-7 (Duragear Limited).

What are the specifications of 5-39MIL3-0803-7?

Key specifications for 5-39MIL3-0803-7: Keyway Nominal Width: 0.188 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN; Bore Style: W/ KEYWAY BOTH ENDS; Pressure Angle: 20.0000 DEGREES. 5 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-279-4645 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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