PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6800790Support,bearing,aircraft Gas Tur

General Motors Corp · NSN 2840-00-563-8809 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-563-8809 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-563-8809. Primary manufacturer part number: 6800790.
Features
  • Support,bearing,aircraft Gas Tur — FSC 2840
  • Material: MAGNESIUM ALLOY
  • Mounting Hole Diameter: 0.279 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
  • Mounting Hole Quantity: 4
  • Outside Diameter: 4.7015 INCHES MINIMUM AND 4.7025 INCHES MAXIMUM IN
  • Criticality Code Justification: AGAV
  • Inside Diameter: 3.0610 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM IN
  • 3 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Magnesium Alloy construction
General Description

The Support,bearing,aircraft Gas Tur, cataloged under National Stock Number 2840-00-563-8809, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is General Motors Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-563-8809
Primary Part Number6800790
Item NameSupport,bearing,aircraft Gas Tur
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
MaterialMAGNESIUM ALLOY
Mounting Hole Diameter0.279 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
Mounting Hole Quantity4
Outside Diameter4.7015 INCHES MINIMUM AND 4.7025 INCHES MAXIMUM IN
Criticality Code JustificationAGAV
Inside Diameter3.0610 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3010-00-869-555343A758 INTERCHANGEABLE
Gearcase-Motor
Globe Motors, Inc. Dba Allient Dayton
Cross-Reference Index
Part NumberManufacturer
6800790 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
6800790 PRIMARY General Motors Corp (USA)
6800790 PRIMARY Rolls-Royce Corporation (USA)
Related Parts
3010-00-869-5553INTERCHANGEABLE
GEARCASE-MOTOR
43A758

Frequently Asked Questions

What is NSN 2840-00-563-8809?

NSN 2840-00-563-8809 is a Support,bearing,aircraft Gas Tur, manufactured by General Motors Corp, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-00-563-8809?

NSN 2840-00-563-8809 has 3 cross-referenced part numbers: 6800790 (Allison Transmission Inc Dba Allison Transmission, Inc), 6800790 (General Motors Corp), 6800790 (Rolls-Royce Corporation).

What NSN replaces 2840-00-563-8809?

There is 1 known substitute for 2840-00-563-8809: 3010-00-869-5553. Verify interchangeability with system specifications before substitution.

What are the specifications of 6800790?

Key specifications for 6800790: Material: MAGNESIUM ALLOY; Overall Length: 0.750 INCHES NOMINAL IN; Mounting Hole Diameter: 0.279 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN; Mounting Hole Quantity: 4. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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