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NSN 3020-01-665-9447Government record, cited

Pulley, Groove3020-01-665-9447

NSN 3020-01-665-9447 · NIIN 016659447 · Part number BK55X 1 1/8
Emerson Electric Co Browning Mfg Div · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 71176
Government record, cited
NSN 3020-01-665-9447 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-665-9447. Manufacturer of record part number: BK55X 1 1/8.
Also searched as  3020-01-665-9447 · 3020016659447 · NIIN 016659447 · 01-665-9447 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 71176 · BK55X 1 1/8
Nearby stock numbers  ·
Features
  • Pulley,groove — FSC 3020
  • Design Form: SPOKED
  • Groove Shape: CHANNEL
  • Outside Diameter: 5.25 INCHES NOMINAL IN
  • Groove Quantity: 1
  • Bearing Type: BUSHING
  • Material: IRON CAST OVERALL
  • 1 manufacturer part number on file
Identification
  • NSN: 3020-01-665-9447
  • NIIN: 016659447
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: BK55X 1 1/8
  • Manufacturer: Emerson Electric Co Browning Mfg Div
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-665-9447, 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 Emerson Electric Co Browning Mfg Div. Government technical data includes 6 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
NSN3020-01-665-9447
Primary Part NumberBK55X 1 1/8
Item NamePulley,groove
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerEmerson Electric Co Browning Mfg Div
StatusACTIVE
Design FormSPOKED
Groove ShapeCHANNEL
Outside Diameter5.25 INCHES NOMINAL IN
Groove Quantity1
Bearing TypeBUSHING
MaterialIRON CAST 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
BK55X 1 1/8 PRIMARY Emerson Electric Co Browning Mfg Div (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 3020-01-665-9447?

NSN 3020-01-665-9447 is a Pulley,groove, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-665-9447?

NSN 3020-01-665-9447 has 1 manufacturer part number on file: BK55X 1 1/8 (Emerson Electric Co Browning Mfg Div).

What are the specifications of BK55X 1 1/8?

Key specifications for BK55X 1 1/8: Design Form: SPOKED; Groove Shape: CHANNEL; Outside Diameter: 5.25 INCHES NOMINAL IN; Overall Length: 1.156 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-665-9447 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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