NSN 3020-01-016-4688 · NIIN 010164688 · Part number 66-3940-1
The Boeing Company Div Commercial · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 17765
Government record, cited
NSN 3020-01-016-4688 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-016-4688. Manufacturer of record part number: 66-3940-1.
Also searched as3020-01-016-4688 ·
3020010164688 ·
NIIN 010164688 ·
01-016-4688 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 17765 · 66-3940-1
Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle: 30.0000 DEGREES
Material: STEEL COMP 4340 OVERALL
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Commercial
Identification
NSN: 3020-01-016-4688
NIIN: 010164688
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 66-3940-1
Manufacturer: The Boeing Company Div Commercial
General Description
The Gear,internal, cataloged under National Stock Number 3020-01-016-4688, 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 The Boeing Company Div Commercial. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-01-016-4688
Primary Part Number
66-3940-1
Item Name
Gear,internal
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
The Boeing Company Div Commercial
Status
ACTIVE
Teeth Quantity
31
Material Document and Classification
MIL-S-5000 MIL SPEC 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 3020-01-016-4688?
NSN 3020-01-016-4688 is a Gear,internal, manufactured by The Boeing Company Div Commercial, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-016-4688?
NSN 3020-01-016-4688 has 1 manufacturer part number on file: 66-3940-1 (The Boeing Company Div Commercial).
What are the specifications of 66-3940-1?
Key specifications for 66-3940-1: Teeth Quantity: 31; Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Pressure Angle: 30.0000 DEGREES; Material: STEEL COMP 4340 OVERALL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-016-4688 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.