PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

191566FIG8-12-19Bearing,ball,airframe

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 3110-01-494-0254 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-494-0254 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-494-0254. Primary manufacturer part number: 191566FIG8-12-19.
Features
  • Bearing,ball,airframe — FSC 3110
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH ACTIVITY HX QUALITY CONTROL,
  • 3 verified cross-references
  • Primary manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-494-0254, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-494-0254
Primary Part Number191566FIG8-12-19
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH ACTIVITY HX QUALITY CONTROL,
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6620-00-526-442482322 INTERCHANGEABLE
Indicator,pressure
Maxima Technologies & Systems Llc Dba Maxima Technologies/steward-Warner
3110-01-145-8832191566G00 INTERCHANGEABLE
Bearing
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5930-01-244-599650152400 INTERCHANGEABLE
Switch,thermostatic
Hatz Diesel of America Inc
5305-01-334-0704LP51957-52HQ INTERCHANGEABLE
Screw,machine
Long-Lok, Llc
5360-01-526-442082322 INTERCHANGEABLE
Spring,spiral,torsion
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
191566FIG8-12-19 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
8-23-22 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
191566-G L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
6620-00-526-4424INTERCHANGEABLE
INDICATOR,PRESSURE
82322
3110-01-145-8832INTERCHANGEABLE
BEARING
191566G00
5930-01-244-5996INTERCHANGEABLE
SWITCH,THERMOSTATIC
50152400
5305-01-334-0704INTERCHANGEABLE
SCREW,MACHINE
LP51957-52HQ
5360-01-526-4420INTERCHANGEABLE
SPRING,SPIRAL,TORSION
82322

Frequently Asked Questions

What is NSN 3110-01-494-0254?

NSN 3110-01-494-0254 is a Bearing,ball,airframe, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-494-0254?

NSN 3110-01-494-0254 has 3 cross-referenced part numbers: 191566FIG8-12-19 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 8-23-22 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 191566-G (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 3110-01-494-0254?

There are 5 known substitutes for 3110-01-494-0254: 6620-00-526-4424, 3110-01-145-8832, 5930-01-244-5996 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 191566FIG8-12-19?

Key specifications for 191566FIG8-12-19: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH ACTIVITY HX QUALITY CONTROL,. 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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