PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST103Bearing Support Tool

Paxton Products Inc · NSN 4140-00-560-7103 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-560-7103 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-560-7103. Primary manufacturer part number: ST103.
Features
  • Bearing Support Tool — FSC 4140
  • 2 verified cross-references
  • Primary manufacturer: Paxton Products Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Support Tool, cataloged under National Stock Number 4140-00-560-7103, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Paxton Products Inc. This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4140-00-560-7103
Primary Part NumberST103
Item NameBearing Support Tool
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerPaxton Products Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5945-00-902-1701SAD4401 INTERCHANGEABLE
Solenoid,electrical
Prestolite Electric Inc
5950-01-004-5255 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
ST103 Paxton Products Inc (USA)
103 Paxton Products Inc (USA)
Related Parts
5945-00-902-1701INTERCHANGEABLE
SOLENOID,ELECTRICAL
SAD4401
5950-01-004-5255INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 4140-00-560-7103?

NSN 4140-00-560-7103 is a Bearing Support Tool, manufactured by Paxton Products Inc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-560-7103?

NSN 4140-00-560-7103 has 2 cross-referenced part numbers: ST103 (Paxton Products Inc), 103 (Paxton Products Inc).

What NSN replaces 4140-00-560-7103?

There are 2 known substitutes for 4140-00-560-7103: 5945-00-902-1701, 5950-01-004-5255. Verify interchangeability with system specifications before substitution.

What are the specifications of ST103?

Key specifications for ST103: End Item Identification: NSN 4140-00-082-5946; NSN 4140-01-024-0266; NSN 4140-01-069-8591; NSN 4140-01-174-4369. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com