PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

250046Bearing,ball,annular

Rotron Incorporated · NSN 3110-01-390-1185 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-390-1185 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-390-1185. Primary manufacturer part number: 250046.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.5115 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN
  • Overall Outside Diameter: 1.2593 INCHES MINIMUM AND 1.2599 INCHES MAXIMUM IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • 2 verified cross-references
  • Primary manufacturer: Rotron Incorporated
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-390-1185, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rotron Incorporated. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-390-1185
Primary Part Number250046
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Bore Diameter0.5115 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN
Overall Outside Diameter1.2593 INCHES MINIMUM AND 1.2599 INCHES MAXIMUM IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-080-2704SM-B-500814-5 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2940-00-817-5338119390A INTERCHANGEABLE
Filter Element,fluid
Dresser, Llc
4730-01-658-1935 INTERCHANGEABLE
Cartridge,filter
Cross-Reference Index
Part NumberManufacturer
1213-16 Rotron Incorporated (USA)
250046 PRIMARY Rotron Incorporated (USA)
Related Parts
5950-00-080-2704INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-B-500814-5
2940-00-817-5338INTERCHANGEABLE
FILTER ELEMENT,FLUID
119390A
4730-01-658-1935INTERCHANGEABLE
CARTRIDGE,FILTER

Frequently Asked Questions

What is NSN 3110-01-390-1185?

NSN 3110-01-390-1185 is a Bearing,ball,annular, manufactured by Rotron Incorporated, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-390-1185?

NSN 3110-01-390-1185 has 2 cross-referenced part numbers: 1213-16 (Rotron Incorporated), 250046 (Rotron Incorporated).

What NSN replaces 3110-01-390-1185?

There are 3 known substitutes for 3110-01-390-1185: 5950-00-080-2704, 2940-00-817-5338, 4730-01-658-1935. Verify interchangeability with system specifications before substitution.

What are the specifications of 250046?

Key specifications for 250046: Bore Diameter: 0.5115 INCHES MINIMUM AND 0.5118 INCHES MAXIMUM IN; Overall Outside Diameter: 1.2593 INCHES MINIMUM AND 1.2599 INCHES MAXIMUM IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Overall Width: 0.6560 INCHES NOMINAL IN. 4 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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