PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73638Bearing,sleeve

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3120-01-048-8786 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-048-8786 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-048-8786. Primary manufacturer part number: 73638.
Features
  • Bearing,sleeve — FSC 3120
  • Left Internal Flange Width: 0.2500 INCHES NOMINAL IN
  • Body Outside Diameter: 3.2500 INCHES NOMINAL IN
  • Left Internal Flange Hole Diameter: 2.9536 INCHES MINIMUM AND 2.9556 INCHES MAXIMUM IN
  • Body Inside Diameter: 3.0000 INCHES NOMINAL IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE AT BOTH ENDS
  • Right Internal Flange Width: 0.2500 INCHES NOMINAL IN
  • Material Document and Classification: QQ-T-830,COND CDSR FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-048-8786, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-048-8786
Primary Part Number73638
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Left Internal Flange Width0.2500 INCHES NOMINAL IN
Body Outside Diameter3.2500 INCHES NOMINAL IN
Left Internal Flange Hole Diameter2.9536 INCHES MINIMUM AND 2.9556 INCHES MAXIMUM IN
Body Inside Diameter3.0000 INCHES NOMINAL IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE AT BOTH ENDS
Right Internal Flange Width0.2500 INCHES NOMINAL IN
Material Document and ClassificationQQ-T-830,COND CDSR FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCADMIUM OR CHROMATE OVERALL
MaterialSTEEL OVERALL
Right Internal Flange Hole Diameter2.9536 INCHES MINIMUM AND 2.9556 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-068-0546 INTERCHANGEABLE
Screw,tapping
5360-00-335-932711919 INTERCHANGEABLE
Spring,helical,extension
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5935-01-267-224978638 INTERCHANGEABLE
Connector,receptacle,electrical
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
73638 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5305-00-068-0546INTERCHANGEABLE
SCREW,TAPPING
5360-00-335-9327INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
11919
5935-01-267-2249INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
78638

Frequently Asked Questions

What is NSN 3120-01-048-8786?

NSN 3120-01-048-8786 is a Bearing,sleeve, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-048-8786?

NSN 3120-01-048-8786 has 1 cross-referenced part number: 73638 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3120-01-048-8786?

There are 3 known substitutes for 3120-01-048-8786: 5305-00-068-0546, 5360-00-335-9327, 5935-01-267-2249. Verify interchangeability with system specifications before substitution.

What are the specifications of 73638?

Key specifications for 73638: Left Internal Flange Width: 0.2500 INCHES NOMINAL IN; Body Outside Diameter: 3.2500 INCHES NOMINAL IN; Left Internal Flange Hole Diameter: 2.9536 INCHES MINIMUM AND 2.9556 INCHES MAXIMUM IN; Body Inside Diameter: 3.0000 INCHES NOMINAL IN. 12 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