PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-52-322Plate,retaining,bearing

Itw Heartland Components Inc · NSN 3110-01-078-2602 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-078-2602 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-078-2602. Primary manufacturer part number: 8-52-322.
Features
  • Plate,retaining,bearing — FSC 3110
  • Mounting Hole Type: ROUND, UNTHREADED
  • Bolt Circle Hole Quantity: 4
  • Outside Diameter: 2.750 INCHES NOMINAL IN
  • Material: NICKEL OVERALL
  • Aperture Diameter: 1.375 INCHES NOMINAL IN
  • Mounting Bolt Circle Diameter: 2.125 INCHES NOMINAL IN
  • Mounting Hole Arrangement Style: SINGLE BOLT HOLE CIRCLE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Nickel Overall construction
General Description

The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-078-2602, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Itw Heartland Components Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN3110-01-078-2602
Primary Part Number8-52-322
Item NamePlate,retaining,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerItw Heartland Components Inc
StatusACTIVE
Mounting Hole TypeROUND, UNTHREADED
Bolt Circle Hole Quantity4
Outside Diameter2.750 INCHES NOMINAL IN
MaterialNICKEL OVERALL
Aperture Diameter1.375 INCHES NOMINAL IN
Mounting Bolt Circle Diameter2.125 INCHES NOMINAL IN
Mounting Hole Arrangement StyleSINGLE BOLT HOLE CIRCLE
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-054-1408 INTERCHANGEABLE
Plug,expansion
5920-00-409-3631852322 INTERCHANGEABLE
Arrester,electrical Surge
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
8-52-322 Itw Heartland Components Inc (USA)
8-52-322 Illinois Tool Wks Inc Linac Div (USA)
8-52T04ITEM12 Illinois Tool Wks Inc Linac Div (USA)
Related Parts
5340-00-054-1408INTERCHANGEABLE
PLUG,EXPANSION
5920-00-409-3631INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
852322

Frequently Asked Questions

What is NSN 3110-01-078-2602?

NSN 3110-01-078-2602 is a Plate,retaining,bearing, manufactured by Itw Heartland Components Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-078-2602?

NSN 3110-01-078-2602 has 3 cross-referenced part numbers: 8-52-322 (Itw Heartland Components Inc), 8-52-322 (Illinois Tool Wks Inc Linac Div), 8-52T04ITEM12 (Illinois Tool Wks Inc Linac Div).

What NSN replaces 3110-01-078-2602?

There are 2 known substitutes for 3110-01-078-2602: 5340-00-054-1408, 5920-00-409-3631. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-52-322?

Key specifications for 8-52-322: Mounting Hole Type: ROUND, UNTHREADED; Bolt Circle Hole Quantity: 4; Outside Diameter: 2.750 INCHES NOMINAL IN; Material: NICKEL OVERALL. 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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