PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Engines, Turbines, and Components / 2840-00-571-0815

313513Spacer,main Bearing

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-571-0815 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-571-0815 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-571-0815. Primary manufacturer part number: 313513.
MRO FSG 28 NO ITEM NAME AVAILABLE Technical Drawing
2840-00-571-0815 — No Item Name Available illustration
Features
  • Spacer,main Bearing — FSC 2840
  • Overall Diameter: 5.490 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
  • Criticality Code Justification: MATT AND ABHP AND ADAV AND AGAV
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel construction
General Description

The Spacer,main Bearing, cataloged under National Stock Number 2840-00-571-0815, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-571-0815
Primary Part Number313513
Item NameSpacer,main Bearing
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Overall Diameter5.490 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
Criticality Code JustificationMATT AND ABHP AND ADAV AND AGAV
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 2
5331-00-547-379731351-3 INTERCHANGEABLE
O-Ring
Collins Engine Nozzles, Inc
5905-01-202-42806405292-1 INTERCHANGEABLE
Resistor Network,fixed,film
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
Cross-Reference Index
Part NumberManufacturer
313513 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5331-00-547-3797INTERCHANGEABLE
O-RING
31351-3
5905-01-202-4280INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
6405292-1

Frequently Asked Questions

What is NSN 2840-00-571-0815?

NSN 2840-00-571-0815 is a Spacer,main Bearing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-00-571-0815?

NSN 2840-00-571-0815 has 1 cross-referenced part number: 313513 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-571-0815?

There are 2 known substitutes for 2840-00-571-0815: 5331-00-547-3797, 5905-01-202-4280. Verify interchangeability with system specifications before substitution.

What are the specifications of 313513?

Key specifications for 313513: Overall Diameter: 5.490 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN; Criticality Code Justification: MATT AND ABHP AND ADAV AND AGAV; Overall Length: 0.679 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN; Material: STEEL. 5 total characteristics are documented in the Federal Logistics Information System.

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