PartsTable TECHNICAL DATA SHEET
NSN 3020-01-307-3008Government record, cited

Gear, Spur3020-01-307-3008

NSN 3020-01-307-3008 · NIIN 013073008 · Part number 298377-1
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 10001
Government record, cited
NSN 3020-01-307-3008 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-307-3008. Manufacturer of record part number: 298377-1.
Also searched as  3020-01-307-3008 · 3020013073008 · NIIN 013073008 · 01-307-3008 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 10001 · 298377-1 · T-8003157-1 · 298377
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Bore Nominal Diameter: 1.000 INCHES FIRST END IN
  • Teeth Quantity: 96
  • Body Style: PLAIN, SOLID
  • Counterbore Nominal Diameter: 1.781 INCHES FIRST END IN
  • Bore Style: W/COUNTERBORE BOTH ENDS
  • Style Designator: HUBLESS
  • Pitch Diameter: 4.0000 INCHES NOMINAL IN
Identification
  • NSN: 3020-01-307-3008
  • NIIN: 013073008
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 298377-1
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-307-3008, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-307-3008
Primary Part Number298377-1
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Bore Nominal Diameter1.000 INCHES FIRST END IN
Teeth Quantity96
Body StylePLAIN, SOLID
Counterbore Nominal Diameter1.781 INCHES FIRST END IN
Bore StyleW/COUNTERBORE BOTH ENDS
Style DesignatorHUBLESS
Pitch Diameter4.0000 INCHES NOMINAL IN
Tooth FormSTANDARD
Nominal Outside Diameter4.083 INCHES IN
Pressure Angle14.5000 DEGREES
MaterialALUMINUM ALLOY OVERALL
Counterbore Nominal Depth0.094 INCHES FIRST END IN
Face Nominal Width0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-307-3009298377-11 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-3010298377-3 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-3011298377-4 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8009298377-2 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8874298377-5 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8875298377-6 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8876298377-7 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8877298377-9 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-308-4354298377-8 POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
298377-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
T-8003157-1 PRIMARY Lockheed Martin Corporation Div Rms (USA)
Reference documents
ReferenceMeaning
298377 D/9 Drawing number reference only
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Related Parts
3020-01-307-3009POSSIBLE MATCH
GEAR,SPUR
298377-11
3020-01-307-3010POSSIBLE MATCH
GEAR,SPUR
298377-3
3020-01-307-3011POSSIBLE MATCH
GEAR,SPUR
298377-4
3020-01-307-8009POSSIBLE MATCH
GEAR,SPUR
298377-2
3020-01-307-8874POSSIBLE MATCH
GEAR,SPUR
298377-5
3020-01-307-8875POSSIBLE MATCH
GEAR,SPUR
298377-6
3020-01-307-8876POSSIBLE MATCH
GEAR,SPUR
298377-7
3020-01-307-8877POSSIBLE MATCH
GEAR,SPUR
298377-9
3020-01-308-4354POSSIBLE MATCH
GEAR,SPUR
298377-8

Frequently Asked Questions

What is NSN 3020-01-307-3008?

NSN 3020-01-307-3008 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-307-3008?

NSN 3020-01-307-3008 has 2 manufacturer part numbers on file: 298377-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), T-8003157-1 (Lockheed Martin Corporation Div Rms).

What NSN replaces 3020-01-307-3008?

9 possible matches (shared part number, not a government interchangeability claim): 3020-01-307-3009, 3020-01-307-3010, 3020-01-307-3011. Verify interchangeability with system specifications before substitution.

What are the specifications of 298377-1?

Key specifications for 298377-1: Bore Nominal Diameter: 1.000 INCHES FIRST END IN; Teeth Quantity: 96; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 1.781 INCHES FIRST END IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-307-3008 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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