NSN 3020-00-294-7757 · NIIN 002947757 · Part number A3380-4
Lake Shore Systems, Inc. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 34712
Government record, cited
NSN 3020-00-294-7757 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-294-7757. Manufacturer of record part number: A3380-4.
Also searched as3020-00-294-7757 ·
3020002947757 ·
NIIN 002947757 ·
00-294-7757 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 34712 · A3380-4
Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter: 8.0000 INCHES NOMINAL IN
Identification
NSN: 3020-00-294-7757
NIIN: 002947757
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: A3380-4
Manufacturer: Lake Shore Systems, Inc.
General Description
The Gear,helical, cataloged under National Stock Number 3020-00-294-7757, 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 11 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-00-294-7757
Primary Part Number
A3380-4
Item Name
Gear,helical
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Lake Shore Systems, Inc.
Status
ACTIVE
Helix Angle
30.0000 DEGREES
Teeth Quantity
32
Body Style
PLAIN, SOLID
Teeth Type
DOUBLE HELIX, SOLID
Style Designator
HUBLESS
Material Document and Classification
66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file
Frequently Asked Questions
What is NSN 3020-00-294-7757?
NSN 3020-00-294-7757 is a Gear,helical, 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 3020-00-294-7757?
NSN 3020-00-294-7757 has 1 manufacturer part number on file: A3380-4 (Lake Shore Systems, Inc.).
What are the specifications of A3380-4?
Key specifications for A3380-4: Helix Angle: 30.0000 DEGREES; Teeth Quantity: 32; Body Style: PLAIN, SOLID; Teeth Type: DOUBLE HELIX, SOLID. 11 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-294-7757 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.