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 as3020-01-307-3008 ·
3020013073008 ·
NIIN 013073008 ·
01-307-3008 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 10001 · 298377-1 · T-8003157-1 · 298377
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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
Parameter
Value
NSN
3020-01-307-3008
Primary Part Number
298377-1
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Status
ACTIVE
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
Tooth Form
STANDARD
Nominal Outside Diameter
4.083 INCHES IN
Pressure Angle
14.5000 DEGREES
Material
ALUMINUM ALLOY OVERALL
Counterbore Nominal Depth
0.094 INCHES FIRST END IN
Face Nominal Width
0.250 INCHES IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-307-3009298377-11POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-3010298377-3POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-3011298377-4POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8009298377-2POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8874298377-5POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8875298377-6POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8876298377-7POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-307-8877298377-9POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-01-308-4354298377-8POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
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.