NSN 3020-01-657-2045 · NIIN 016572045 · Part number YB48A
Altra Industrial Motion Corp. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 71041
Government record, cited
NSN 3020-01-657-2045 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-657-2045. Manufacturer of record part number: YB48A.
Also searched as3020-01-657-2045 ·
3020016572045 ·
NIIN 016572045 ·
01-657-2045 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 71041 · YB48A · 5812-016
Nominal Distance Between Body Face and Protruding Hub End: 0.620 INCHES FIRST END IN
Style Designator: PROTRUDING HUB
Identification
NSN: 3020-01-657-2045
NIIN: 016572045
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: YB48A
Manufacturer: Altra Industrial Motion Corp.
General Description
The Gear,spur, cataloged under National Stock Number 3020-01-657-2045, 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 Altra Industrial Motion Corp.. Government technical data includes 13 specifications, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-01-657-2045
Primary Part Number
YB48A
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Altra Industrial Motion Corp.
Status
ACTIVE
Bore Nominal Diameter
0.625 INCHES BOTH ENDS IN
Hub Nominal Diameter
2.000 INCHES FIRST END IN
Teeth Quantity
48
Body Style
PLAIN, SOLID
Bore Style
PLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
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 3020-01-657-2045?
NSN 3020-01-657-2045 is a Gear,spur, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-657-2045?
NSN 3020-01-657-2045 has 2 manufacturer part numbers on file: YB48A (Altra Industrial Motion Corp.), 5812-016 (Cemen Tech, Inc.).
What are the specifications of YB48A?
Key specifications for YB48A: Bore Nominal Diameter: 0.625 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.000 INCHES FIRST END IN; Teeth Quantity: 48; Body Style: PLAIN, SOLID. 13 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-657-2045 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.