Nominal Distance Between Body Face and Protruding Hub End: 0.629 INCHES FIRST END IN
Style Designator: PROTRUDING HUB
Nominal Outside Diameter: 0.673 INCHES IN
Surface Treatment: PASSIVATE OVERALL
Pressure Angle: 20.0000 DEGREES
Identification
NSN: 3020-01-256-6043
NIIN: 012566043
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Gear,spur, cataloged under National Stock Number 3020-01-256-6043, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3020-01-256-6043
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status
ACTIVE
Teeth Quantity
30
Body Style
PLAIN, SOLID
Nominal Distance Between Body Face and Protruding Hub End
0.629 INCHES FIRST END IN
Style Designator
PROTRUDING HUB
Nominal Outside Diameter
0.673 INCHES IN
Surface Treatment
PASSIVATE OVERALL
Pressure Angle
20.0000 DEGREES
Material
STEEL COMP 416 OVERALL
Face Nominal Width
0.162 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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
521824-1
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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 3020-01-256-6043?
NSN 3020-01-256-6043 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What are the specifications of 3020-01-256-6043?
Key specifications for 3020-01-256-6043: Teeth Quantity: 30; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.629 INCHES FIRST END IN; Style Designator: PROTRUDING HUB. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-256-6043 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.