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NSN 3020-00-488-6479Government record, cited

Gear, Bevel3020-00-488-6479

NSN 3020-00-488-6479 · NIIN 004886479 · Part number 656373
Arrow Gear Llc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 28596
Government record, cited
NSN 3020-00-488-6479 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-488-6479. Manufacturer of record part number: 656373.
Also searched as  3020-00-488-6479 · 3020004886479 · NIIN 004886479 · 00-488-6479 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 28596 · 656373
Nearby stock numbers  ·
Features
  • Gear,bevel — FSC 3020
  • Tooth Direction: LEFT
  • Bore Style: INVOLUTE SPLINE BOTH ENDS
  • Teeth Type: SPIRAL
  • Nominal Overall Length: 3.140 INCHES IN
  • Style Designator: PERIPHERAL FACE, BACK HUB PROTRUDING
  • Material Document and Classification: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Pitch Diameter: 6.5733 INCHES NOMINAL IN
Identification
  • NSN: 3020-00-488-6479
  • NIIN: 004886479
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 656373
  • Manufacturer: Arrow Gear Llc
General Description

The Gear,bevel, cataloged under National Stock Number 3020-00-488-6479, 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 Arrow Gear Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-488-6479
Primary Part Number656373
Item NameGear,bevel
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerArrow Gear Llc
StatusACTIVE
Tooth DirectionLEFT
Bore StyleINVOLUTE SPLINE BOTH ENDS
Teeth TypeSPIRAL
Nominal Overall Length3.140 INCHES IN
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Material Document and ClassificationAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter6.5733 INCHES NOMINAL IN
Pressure Angle20.0000 DEGREES
MaterialSTEEL COMP E9310 OVERALL
Spline Pitch Diameter4.0500 INCHES NOMINAL BOTH ENDS IN
Face Nominal Width1.260 INCHES IN
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
656373 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
656373 PRIMARY Arrow Gear 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.
3020-00-001-2090
3020-00-001-2090 · Item name not on file
3020-00-001-4468
3020-00-001-4468 · Item name not on file
3020-00-007-2779
GEAR,ANTIBACKLASH,SPUR
3020-00-009-4033
GEAR,SPUR
3020-00-031-2269
3020-00-031-2269 · Item name not on file
3020-00-146-4181
GEAR,IDLER
3020-00-146-4222
GEAR,IDLER
3020-00-425-7115
GEAR,HELICAL

Frequently Asked Questions

What is NSN 3020-00-488-6479?

NSN 3020-00-488-6479 is a Gear,bevel, manufactured by Arrow Gear Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-488-6479?

NSN 3020-00-488-6479 has 2 manufacturer part numbers on file: 656373 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 656373 (Arrow Gear Llc).

What are the specifications of 656373?

Key specifications for 656373: Tooth Direction: LEFT; Bore Style: INVOLUTE SPLINE BOTH ENDS; Teeth Type: SPIRAL; Nominal Overall Length: 3.140 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-488-6479 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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