PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18859-5Bearing,sleeve

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 3120-01-314-6843 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-314-6843 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-314-6843. Primary manufacturer part number: 18859-5.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, EXTERNAL FLANGES BOTH ENDS
  • Body Outside Diameter: 2.2400 INCHES NOMINAL IN
  • Body Inside Diameter: 2.0100 INCHES MINIMUM AND 2.0150 INCHES MAXIMUM IN
  • Right Flange Outside Diameter: 3.0000 INCHES NOMINAL IN
  • Left Flange Outside Diameter: 3.0000 INCHES NOMINAL IN
  • Right Flange Width: 0.1180 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-314-6843, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN3120-01-314-6843
Primary Part Number18859-5
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, EXTERNAL FLANGES BOTH ENDS
Body Outside Diameter2.2400 INCHES NOMINAL IN
Body Inside Diameter2.0100 INCHES MINIMUM AND 2.0150 INCHES MAXIMUM IN
Right Flange Outside Diameter3.0000 INCHES NOMINAL IN
Left Flange Outside Diameter3.0000 INCHES NOMINAL IN
Right Flange Width0.1180 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Left Flange Width0.1170 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-200-211122049B INTERCHANGEABLE
Gear,helical
Brinkley Technology Group Llc Dba Hercules Manufacturing
5310-00-637-2240188595 INTERCHANGEABLE
Washer,flat
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Cross-Reference Index
Part NumberManufacturer
18859-5 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
3020-00-200-2111INTERCHANGEABLE
GEAR,HELICAL
22049B
5310-00-637-2240INTERCHANGEABLE
WASHER,FLAT
188595

Frequently Asked Questions

What is NSN 3120-01-314-6843?

NSN 3120-01-314-6843 is a Bearing,sleeve, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-314-6843?

NSN 3120-01-314-6843 has 1 cross-referenced part number: 18859-5 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 3120-01-314-6843?

There are 2 known substitutes for 3120-01-314-6843: 3020-00-200-2111, 5310-00-637-2240. Verify interchangeability with system specifications before substitution.

What are the specifications of 18859-5?

Key specifications for 18859-5: Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, EXTERNAL FLANGES BOTH ENDS; Overall Length: 2.0000 INCHES NOMINAL IN; Body Outside Diameter: 2.2400 INCHES NOMINAL IN. 10 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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