NSN 3020-01-307-3009 · NIIN 013073009 · Part number T-8003157-11
Lockheed Martin Corporation Div Rms · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 03538
Government record, cited
NSN 3020-01-307-3009 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-307-3009. Manufacturer of record part number: T-8003157-11.
Also searched as3020-01-307-3009 ·
3020013073009 ·
NIIN 013073009 ·
01-307-3009 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 03538 · T-8003157-11 · 298377-11 · 298377
Nominal Distance Between Body Face and Protruding Hub End: 0.703 INCHES BOTH ENDS IN
Style Designator: PROTRUDING HUB
Identification
NSN: 3020-01-307-3009
NIIN: 013073009
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: T-8003157-11
Manufacturer: Lockheed Martin Corporation Div Rms
General Description
The Gear,spur, cataloged under National Stock Number 3020-01-307-3009, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-307-3009
Primary Part Number
T-8003157-11
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Lockheed Martin Corporation Div Rms
Status
ACTIVE
Bore Nominal Diameter
0.314 INCHES BOTH ENDS IN
Hub Nominal Diameter
0.812 INCHES FIRST END IN
Teeth Quantity
28
Body Style
PLAIN, SOLID
Bore Style
PLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
0.703 INCHES BOTH ENDS IN
Style Designator
PROTRUDING HUB
Pitch Diameter
0.5833 INCHES NOMINAL IN
Tooth Form
STANDARD
Hub Style Designator
1 GROOVE FIRST END
Nominal Outside Diameter
0.625 INCHES IN
Nominal Distance From End to First Groove
0.250 INCHES FIRST END IN
Pressure Angle
14.5000 DEGREES
Material
STEEL CORROSION RESISTING OVERALL
First Groove Nominal Diameter
0.438 INCHES FIRST END IN
First Groove Nominal Width
0.188 INCHES FIRST END IN
Face Nominal Width
0.125 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
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 (USA)
Reference documents
Reference
Meaning
298377
D/9Drawing number reference only
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Related Parts
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 3020-01-307-3009?
NSN 3020-01-307-3009 is a Gear,spur, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-307-3009?
NSN 3020-01-307-3009 has 2 manufacturer part numbers on file: T-8003157-11 (Lockheed Martin Corporation Div Rms), 298377-11 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What NSN replaces 3020-01-307-3009?
8 possible matches (shared part number, not a government interchangeability claim): 3020-01-307-3010, 3020-01-307-3011, 3020-01-307-8009. Verify interchangeability with system specifications before substitution.
What are the specifications of T-8003157-11?
Key specifications for T-8003157-11: Bore Nominal Diameter: 0.314 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.812 INCHES FIRST END IN; Teeth Quantity: 28; Body Style: PLAIN, SOLID. 17 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-307-3009 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.