PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

655052Housing,antifriction Bearing,air

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-456-0446 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-456-0446 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-456-0446. Primary manufacturer part number: 655052.
Features
  • Housing,antifriction Bearing,air — FSC 2840
  • Engine Section Location: TURBINE
  • Material Document and Classification: AMS6322 ASSN STD SINGLE MATERIAL RESPONSE HOUSING
  • Criticality Code Justification: AGAV
  • Material: STEEL HOUSING
  • Diameter: 6.051 INCHES MINIMUM AND 6.052 INCHES MAXIMUM IN
  • 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 Housing construction
General Description

The Housing,antifriction Bearing,air, cataloged under National Stock Number 2840-00-456-0446, 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 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-456-0446
Primary Part Number655052
Item NameHousing,antifriction Bearing,air
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Engine Section LocationTURBINE
Material Document and ClassificationAMS6322 ASSN STD SINGLE MATERIAL RESPONSE HOUSING
Criticality Code JustificationAGAV
MaterialSTEEL HOUSING
Diameter6.051 INCHES MINIMUM AND 6.052 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-01-026-2002 INTERCHANGEABLE
Rectifier,semiconductor Device
Cross-Reference Index
Part NumberManufacturer
655052 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5961-01-026-2002INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE

Frequently Asked Questions

What is NSN 2840-00-456-0446?

NSN 2840-00-456-0446 is a Housing,antifriction Bearing,air, 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 2840-00-456-0446?

NSN 2840-00-456-0446 has 1 cross-referenced part number: 655052 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-456-0446?

There is 1 known substitute for 2840-00-456-0446: 5961-01-026-2002. Verify interchangeability with system specifications before substitution.

What are the specifications of 655052?

Key specifications for 655052: Engine Section Location: TURBINE; Overall Length: 1.993 INCHES MINIMUM AND 2.075 INCHES MAXIMUM IN; Material Document and Classification: AMS6322 ASSN STD SINGLE MATERIAL RESPONSE HOUSING; Criticality Code Justification: AGAV. 7 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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