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NSN 3020-01-028-7473Government record, cited

Pulley, Groove3020-01-028-7473

NSN 3020-01-028-7473 · NIIN 010287473 · Part number AT1901-26
Piasecki Aircraft Corp · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 04926
Government record, cited
NSN 3020-01-028-7473 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-028-7473. Manufacturer of record part number: AT1901-26.
Also searched as  3020-01-028-7473 · 3020010287473 · NIIN 010287473 · 01-028-7473 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 04926 · AT1901-26
Nearby stock numbers  ·
Features
  • Pulley,groove — FSC 3020
  • 1 manufacturer part number on file
  • Manufacturer of record: Piasecki Aircraft Corp
Identification
  • NSN: 3020-01-028-7473
  • NIIN: 010287473
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: AT1901-26
  • Manufacturer: Piasecki Aircraft Corp
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-028-7473, 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 Piasecki Aircraft Corp. 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
NSN3020-01-028-7473
Primary Part NumberAT1901-26
Item NamePulley,groove
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerPiasecki Aircraft Corp
StatusACTIVE
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
AT1901-26 PRIMARY Piasecki Aircraft Corp (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 3020-01-028-7473?

NSN 3020-01-028-7473 is a Pulley,groove, manufactured by Piasecki Aircraft Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-028-7473?

NSN 3020-01-028-7473 has 1 manufacturer part number on file: AT1901-26 (Piasecki Aircraft Corp).

What are the specifications of AT1901-26?

Key specifications for AT1901-26: Special Features: LOAD PULLEY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-028-7473 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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