PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

815561Bearing,ball,annular

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3110-01-428-6083 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-428-6083 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-428-6083. Primary manufacturer part number: 815561.
Features
  • Bearing,ball,annular — FSC 3110
  • Criticality Code Justification: FEAT
  • 5 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-428-6083, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN3110-01-428-6083
Primary Part Number815561
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-182-674581556-2 INTERCHANGEABLE
Transformer,power
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
815562 Mcgill Manufacturing Co, Inc (USA)
815561 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
815562 PRIMARY Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA)
815562 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
815563 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5950-01-182-6745INTERCHANGEABLE
TRANSFORMER,POWER
81556-2

Frequently Asked Questions

What is NSN 3110-01-428-6083?

NSN 3110-01-428-6083 is a Bearing,ball,annular, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-428-6083?

NSN 3110-01-428-6083 has 5 cross-referenced part numbers: 815562 (Mcgill Manufacturing Co, Inc), 815561 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 815562 (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings), 815562 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 815563 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3110-01-428-6083?

There is 1 known substitute for 3110-01-428-6083: 5950-01-182-6745. Verify interchangeability with system specifications before substitution.

What are the specifications of 815561?

Key specifications for 815561: Special Features: ITEM IS AIR FORCE CRITICAL SAFETY ITEM (CSI); Criticality Code Justification: FEAT. 2 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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