PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55143Plate,retaining,bearing

Cae Usa Inc. · NSN 3110-00-371-2048 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-371-2048 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-371-2048. Primary manufacturer part number: 55143.
Features
  • Plate,retaining,bearing — FSC 3110
  • Mounting Hole Diameter: 0.151 INCHES NOMINAL IN
  • Overall Thickness: 0.051 INCHES NOMINAL IN
  • Distance Between Hole Centers Along Height: 1.500 INCHES NOMINAL IN
  • Surface Treatment: CHROMATE OVERALL
  • Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Counterbore Diameter: 0.437 INCHES NOMINAL IN
  • Style Designator: ROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Aluminum Overall construction
General Description

The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-371-2048, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cae Usa Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN3110-00-371-2048
Primary Part Number55143
Item NamePlate,retaining,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Mounting Hole Diameter0.151 INCHES NOMINAL IN
Overall Thickness0.051 INCHES NOMINAL IN
Distance Between Hole Centers Along Height1.500 INCHES NOMINAL IN
Surface TreatmentCHROMATE OVERALL
Surface Treatment Document and ClassificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Counterbore Diameter0.437 INCHES NOMINAL IN
Style DesignatorROUND
MaterialALUMINUM OVERALL
Counterbore Depth0.015 INCHES NOMINAL IN
Mounting Hole Arrangement StyleTHREE HOLES
Aperture Diameter0.266 INCHES NOMINAL IN
Cross-Sectional Shape StyleCOUNTERBORED W/ APERTURE
Mounting Hole TypeROUND, UNTHREADED
Distance From Vertical Centerline to Center of Right Hole0.866 INCHES NOMINAL IN
Distance From Horizontal Centerline to Center of Right Hole0.500 INCHES NOMINAL IN
Outside Diameter2.500 INCHES NOMINAL IN
Minor Thickness0.036 INCHES NOMINAL IN
Distance Between Hole Centers Along Base1.732 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-196-2058A733S-97CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
5330-00-467-334655143 INTERCHANGEABLE
Ring,wiper
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5360-00-664-2137SMB171543 INTERCHANGEABLE
Spring,helical,extension
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2510-00-770-21227702122 INTERCHANGEABLE
Cover
U S Army Tank Automotive Command Amsta-Im-Mm
5960-01-061-9166VRX-7222A INTERCHANGEABLE
Electron Tube
Varian Associates Inc Thin Film Technology Div
Cross-Reference Index
Part NumberManufacturer
55143 PRIMARY Cae Usa Inc. (USA)
55143 Raytheon Technical Services Company (USA)
Related Parts
4730-00-196-2058INTERCHANGEABLE
NIPPLE,PIPE
A733S-97CFB
5330-00-467-3346INTERCHANGEABLE
RING,WIPER
55143
5360-00-664-2137INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
SMB171543
2510-00-770-2122INTERCHANGEABLE
COVER
7702122
5960-01-061-9166INTERCHANGEABLE
ELECTRON TUBE
VRX-7222A

Frequently Asked Questions

What is NSN 3110-00-371-2048?

NSN 3110-00-371-2048 is a Plate,retaining,bearing, manufactured by Cae Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-371-2048?

NSN 3110-00-371-2048 has 2 cross-referenced part numbers: 55143 (Cae Usa Inc.), 55143 (Raytheon Technical Services Company).

What NSN replaces 3110-00-371-2048?

There are 5 known substitutes for 3110-00-371-2048: 4730-00-196-2058, 5330-00-467-3346, 5360-00-664-2137 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55143?

Key specifications for 55143: Mounting Hole Diameter: 0.151 INCHES NOMINAL IN; Overall Thickness: 0.051 INCHES NOMINAL IN; Distance Between Hole Centers Along Height: 1.500 INCHES NOMINAL IN; Surface Treatment: CHROMATE OVERALL. 18 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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