PartsTable TECHNICAL DATA SHEET
NSN 3020-01-321-1806Government record, cited

Pulley, Groove3020-01-321-1806

NSN 3020-01-321-1806 · NIIN 013211806 · Part number 5104290
Rolls-Royce Solutions America Inc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 72582
Government record, cited
NSN 3020-01-321-1806 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-321-1806. Manufacturer of record part number: 5104290.
Also searched as  3020-01-321-1806 · 3020013211806 · NIIN 013211806 · 01-321-1806 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 72582 · 5104290
Nearby stock numbers  ·
Features
  • Pulley,groove — FSC 3020
  • Integral Cooling Vane: NOT INCLUDED
  • Bore Feature: INCLUDED
  • Split Hub Feature: NOT INCLUDED
  • Outside Diameter: 9.120 INCHES NOMINAL IN
  • Bore Type: STRAIGHT
  • Groove Quantity: 3
  • Protruding Hub Characteristic: PLAIN
Identification
  • NSN: 3020-01-321-1806
  • NIIN: 013211806
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 5104290
  • Manufacturer: Rolls-Royce Solutions America Inc
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-321-1806, 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 Rolls-Royce Solutions America Inc. Government technical data includes 8 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
ParameterValue
NSN3020-01-321-1806
Primary Part Number5104290
Item NamePulley,groove
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
Integral Cooling VaneNOT INCLUDED
Bore FeatureINCLUDED
Split Hub FeatureNOT INCLUDED
Outside Diameter9.120 INCHES NOMINAL IN
Bore TypeSTRAIGHT
Groove Quantity3
Protruding Hub CharacteristicPLAIN
Lightening HoleNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5104290 PRIMARY Rolls-Royce Solutions America Inc (USA)
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 3020-01-321-1806?

NSN 3020-01-321-1806 is a Pulley,groove, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-321-1806?

NSN 3020-01-321-1806 has 1 manufacturer part number on file: 5104290 (Rolls-Royce Solutions America Inc).

What are the specifications of 5104290?

Key specifications for 5104290: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Outside Diameter: 9.120 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-321-1806 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.
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