NSN 3020-00-355-2579 · NIIN 003552579 · Part number 31440
Komatsu America Corporation · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 23926
Government record, cited
NSN 3020-00-355-2579 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-355-2579. Manufacturer of record part number: 31440.
Also searched as3020-00-355-2579 ·
3020003552579 ·
NIIN 003552579 ·
00-355-2579 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 23926 · 31440 · RB31440
Nominal Distance Between Body Face and Protruding Hub End: 1.375 INCHES FIRST END IN
Identification
NSN: 3020-00-355-2579
NIIN: 003552579
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 31440
Manufacturer: Komatsu America Corporation
General Description
The Gear,spur, cataloged under National Stock Number 3020-00-355-2579, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
3020-00-355-2579
Primary Part Number
31440
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Komatsu America Corporation
Status
ACTIVE
Keyway Nominal Width
0.5000 INCHES BOTH ENDS IN
Bore Nominal Diameter
1.7500 INCHES BOTH ENDS IN
Hub Nominal Diameter
3.750 INCHES FIRST END IN
Teeth Quantity
26
Body Style
PLAIN, SOLID
Bore Style
W/ KEYWAY BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
1.375 INCHES FIRST END IN
Style Designator
PROTRUDING HUB
Hub Style Designator
PLAIN FIRST END
Nominal Outside Diameter
9.375 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom
1.0625 INCHES BOTH ENDS IN
Face Nominal Width
2.125 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.
1005-00-651-518631440POSSIBLE MATCH
SEAT,CHECK
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5950-00-728-2158POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)
5998-00-985-0935POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)
3040-01-180-607331440POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
6505-01-241-579831440POSSIBLE MATCH
SODIUM HYALURONATE INJECTION
Possible match (shared part number)Pharmacia Fine Chemicals Inc
6515-01-417-5237314.40POSSIBLE MATCH
SCREWDRIVER,BONE SCREW
Possible match (shared part number)Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
6530-01-421-551731440POSSIBLE MATCH
PAD,HEATER,CLEANER,
Possible match (shared part number)L & R Manufacturing Company
6505-01-602-8248NDC00310-0275-10POSSIBLE MATCH
QUETIAPINE FUMARATE TABLETS
Possible match (shared part number)Astrazeneca Pharmaceuticals Lp
NSN 3020-00-355-2579 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 3020-00-355-2579?
NSN 3020-00-355-2579 has 1 manufacturer part number on file: 31440 (Komatsu America Corporation).
What NSN replaces 3020-00-355-2579?
8 possible matches (shared part number, not a government interchangeability claim): 1005-00-651-5186, 5950-00-728-2158, 5998-00-985-0935. Verify interchangeability with system specifications before substitution.
What are the specifications of 31440?
Key specifications for 31440: Keyway Nominal Width: 0.5000 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.7500 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.750 INCHES FIRST END IN; Teeth Quantity: 26. 12 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-355-2579 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.