NSN 3020-00-294-8799 · NIIN 002948799 · Part number 14166
Komatsu America Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 23926
Government record, cited
NSN 3020-00-294-8799 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-294-8799. Manufacturer of record part number: 14166.
Also searched as3020-00-294-8799 ·
3020002948799 ·
NIIN 002948799 ·
00-294-8799 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 23926 · 14166 · R14166
Counterbore Nominal Diameter: 3.625 INCHES SECOND END IN
Bore Style: W/ KEYWAY BOTH ENDS
Identification
NSN: 3020-00-294-8799
NIIN: 002948799
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 14166
Manufacturer: Komatsu America Corporation
General Description
The Gear,spur, cataloged under National Stock Number 3020-00-294-8799, 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 Komatsu America Corporation. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
3020-00-294-8799
Primary Part Number
14166
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Komatsu America Corporation
Status
ACTIVE
Keyway Nominal Width
0.999 INCHES BOTH ENDS IN
Bore Nominal Diameter
3.000 INCHES BOTH ENDS IN
Hub Nominal Diameter
5.375 INCHES FIRST END IN
Teeth Quantity
12
Body Style
PLAIN, SOLID
Counterbore Nominal Diameter
3.625 INCHES SECOND END IN
Bore Style
W/ KEYWAY BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
0.750 INCHES FIRST END IN
Hardness Rating
32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
Nominal Overall Length
3.750 INCHES IN
Style Designator
PROTRUDING HUB
Pitch Diameter
8.0000 INCHES NOMINAL IN
Tooth Form
STANDARD
Hub Style Designator
PLAIN FIRST END
Nominal Outside Diameter
9.330 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom
1.688 INCHES BOTH ENDS IN
Pressure Angle
14.5000 DEGREES
Material
STEEL OVERALL
Counterbore Nominal Depth
0.625 INCHES SECOND END IN
Face Nominal Width
3.000 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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-00-549-861534990 B1416-6POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Altra Industrial Motion Corp.
5940-00-821-62171416-6POSSIBLE MATCH
TERMINAL,LUG
Possible match (shared part number)Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5940-00-827-2653POSSIBLE MATCH
TERMINAL,LUG
Possible match (shared part number)
2915-01-129-369814166POSSIBLE MATCH
VALVE,FUEL-AIR MIXTURE CONTROL,A
Possible match (shared part number)Spectrum Associates, Inc.
5985-01-258-0699POSSIBLE MATCH
ANTENNA
Possible match (shared part number)
6150-01-470-175414166POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Generac Mobile Products, Llc
3040-01-513-48091416600POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Alfa Laval Inc
5940-01-593-886014166POSSIBLE MATCH
TERMINAL BOARD
Possible match (shared part number)Emerson Electric Co H and H Precision Products in-Sink-Erator Div
5310-01-617-376214166POSSIBLE MATCH
NUT,PLAIN,PLATE
Possible match (shared part number)80/20, Llc
1010-01-706-880114166POSSIBLE MATCH
BARREL,RIFLE
Possible match (shared part number)Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
NSN 3020-00-294-8799 is a Gear,spur, manufactured by Komatsu America Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-294-8799?
NSN 3020-00-294-8799 has 1 manufacturer part number on file: 14166 (Komatsu America Corporation).
What NSN replaces 3020-00-294-8799?
10 possible matches (shared part number, not a government interchangeability claim): 3120-00-549-8615, 5940-00-821-6217, 5940-00-827-2653. Verify interchangeability with system specifications before substitution.
What are the specifications of 14166?
Key specifications for 14166: Keyway Nominal Width: 0.999 INCHES BOTH ENDS IN; Bore Nominal Diameter: 3.000 INCHES BOTH ENDS IN; Hub Nominal Diameter: 5.375 INCHES FIRST END IN; Teeth Quantity: 12. 20 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-294-8799 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.