NSN 3020-01-551-4729 · NIIN 015514729 · Part number 157-2390
Caterpillar Inc Div Caterpillar Defense · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 11083
Government record, cited
NSN 3020-01-551-4729 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-551-4729. Manufacturer of record part number: 157-2390.
Also searched as3020-01-551-4729 ·
3020015514729 ·
NIIN 015514729 ·
01-551-4729 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 11083 · 157-2390
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 3020-01-551-4729
NIIN: 015514729
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 157-2390
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Pulley,groove, cataloged under National Stock Number 3020-01-551-4729, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3020-01-551-4729
Primary Part Number
157-2390
Item Name
Pulley,groove
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
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 3020-01-551-4729?
NSN 3020-01-551-4729 is a Pulley,groove, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-551-4729?
NSN 3020-01-551-4729 has 1 manufacturer part number on file: 157-2390 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 157-2390?
Key specifications for 157-2390: Groove Shape: V; Outside Diameter: 90.53 MILLIMETERS NOMINAL MM; Style Designator: WEBBED OR SPOKED; Groove Quantity: 2. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-551-4729 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.