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NSN 3020-01-688-4993Government record, cited

Pulley, Groove3020-01-688-4993

NSN 3020-01-688-4993 · NIIN 016884993 · Part number AL4009298
Flyer Defense, Llc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 1RZR5
Government record, cited
NSN 3020-01-688-4993 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-688-4993. Manufacturer of record part number: AL4009298.
Also searched as  3020-01-688-4993 · 3020016884993 · NIIN 016884993 · 01-688-4993 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 1RZR5 · AL4009298
Nearby stock numbers  ·
Features
  • Pulley,groove — FSC 3020
  • Bore Feature: INCLUDED
  • Groove Shape: RECTANGULAR
  • Outside Diameter: 125.0 MILLIMETERS NOMINAL MM
  • Groove Quantity: 1
  • Material: STEEL OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: Flyer Defense, Llc
Identification
  • NSN: 3020-01-688-4993
  • NIIN: 016884993
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: AL4009298
  • Manufacturer: Flyer Defense, Llc
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-688-4993, 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 Flyer Defense, Llc. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-688-4993
Primary Part NumberAL4009298
Item NamePulley,groove
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerFlyer Defense, Llc
StatusACTIVE
Bore FeatureINCLUDED
Groove ShapeRECTANGULAR
Outside Diameter125.0 MILLIMETERS NOMINAL MM
Groove Quantity1
MaterialSTEEL OVERALL
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
AL4009298 PRIMARY Flyer Defense, Llc (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 3020-01-688-4993?

NSN 3020-01-688-4993 is a Pulley,groove, manufactured by Flyer Defense, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-688-4993?

NSN 3020-01-688-4993 has 1 manufacturer part number on file: AL4009298 (Flyer Defense, Llc).

What are the specifications of AL4009298?

Key specifications for AL4009298: Bore Feature: INCLUDED; Groove Shape: RECTANGULAR; Outside Diameter: 125.0 MILLIMETERS NOMINAL MM; Overall Length: 27.0 MILLIMETERS NOMINAL MM. 5 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-688-4993 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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