NSN 3020-01-374-3040 · NIIN 013743040 · Part number 2B1-05116
Lake Shore Systems, Inc. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 34712
Government record, cited
NSN 3020-01-374-3040 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-374-3040. Manufacturer of record part number: 2B1-05116.
Also searched as3020-01-374-3040 ·
3020013743040 ·
NIIN 013743040 ·
01-374-3040 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 34712 · 2B1-05116 · 2D3-03268 · 2D3-03268 ITEM 29
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 2B1-05116
Manufacturer: Lake Shore Systems, Inc.
General Description
The Gear,spur, cataloged under National Stock Number 3020-01-374-3040, 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 Lake Shore Systems, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-374-3040
Primary Part Number
2B1-05116
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Lake Shore Systems, Inc.
Status
ACTIVE
Material
STEEL COMP 8620 OVERALL
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.
3020-01-374-30412B1-05115POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3020-01-374-30422C1-04149POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3020-01-374-30432B1-05114POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-374-39782B1-05117POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Lake Shore Systems, Inc.
3020-01-374-40342B1-05122POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3020-01-374-40352B1-05121POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-374-47432D3-03268 ITEM 33POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-374-55492D3-03268 ITEM 32POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Lake Shore Systems, Inc.
NSN 3020-01-374-3040 is a Gear,spur, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-374-3040?
NSN 3020-01-374-3040 has 2 manufacturer part numbers on file: 2B1-05116 (Lake Shore Systems, Inc.), 2D3-03268 ITEM 29 (Lake Shore Systems, Inc.).
What NSN replaces 3020-01-374-3040?
8 possible matches (shared part number, not a government interchangeability claim): 3020-01-374-3041, 3020-01-374-3042, 3020-01-374-3043. Verify interchangeability with system specifications before substitution.
What are the specifications of 2B1-05116?
Key specifications for 2B1-05116: Material: STEEL COMP 8620 OVERALL. 1 specification is documented in the U.S. Government catalog.
Is NSN 3020-01-374-3040 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.