PartsTable TECHNICAL DATA SHEET
NSN 3020-01-207-3768Government record, cited

Gear, Spur3020-01-207-3768

NSN 3020-01-207-3768 · NIIN 012073768 · Part number 51390B084
Dover Resources, Inc. Div Norriseal · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 1NB39
Government record, cited
NSN 3020-01-207-3768 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-207-3768. Manufacturer of record part number: 51390B084.
Also searched as  3020-01-207-3768 · 3020012073768 · NIIN 012073768 · 01-207-3768 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 1NB39 · 51390B084
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Material: COPPER ALLOY OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Dover Resources, Inc. Div Norriseal
Identification
  • NSN: 3020-01-207-3768
  • NIIN: 012073768
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 51390B084
  • Manufacturer: Dover Resources, Inc. Div Norriseal
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-207-3768, 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 Dover Resources, Inc. Div Norriseal. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-207-3768
Primary Part Number51390B084
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerDover Resources, Inc. Div Norriseal
StatusACTIVE
MaterialCOPPER ALLOY 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
51390B084 PRIMARY Dover Resources, Inc. Div Norriseal (USA)
Reference documents
ReferenceMeaning
51390B084 5/9 Secondary reference
U.S. Government activity
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 3020-01-207-3768?

NSN 3020-01-207-3768 is a Gear,spur, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-207-3768?

NSN 3020-01-207-3768 has 1 manufacturer part number on file: 51390B084 (Dover Resources, Inc. Div Norriseal).

What are the specifications of 51390B084?

Key specifications for 51390B084: Special Features: END ITEM MODEL 2K GEAR OPERATOR; Material: COPPER ALLOY OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 3020-01-207-3768 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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