PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56109Bearing,sleeve

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 3120-00-483-6327 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-483-6327 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-483-6327. Primary manufacturer part number: 56109.
Features
  • Bearing,sleeve — FSC 3120
  • Hardness Rating: 88.5 ROCKWELL C MINIMUM AND 92.5 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment Document and Classification: HS NO. 74,FSCM 73030 MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Material: STEEL COMP 4130 OR STEEL COMP 8740 OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 0.3750 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4130 or Steel Comp 8740 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-483-6327, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-483-6327
Primary Part Number56109
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Hardness Rating88.5 ROCKWELL C MINIMUM AND 92.5 ROCKWELL C MAXIMUM OVERALL
Surface Treatment Document and ClassificationHS NO. 74,FSCM 73030 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Corner ShapeSQUARE ALL CORNERS
MaterialSTEEL COMP 4130 OR STEEL COMP 8740 OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter0.3750 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Material Document and Classification66 FED STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Body Inside Diameter0.3170 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5330-00-187-29624981106-0 INTERCHANGEABLE
Gasket
Kalmar AC Inc
5360-00-353-256411B1257 INTERCHANGEABLE
Spring,helical,extension
Napco International Llc Dba Napco International Inc
5360-00-576-3880 INTERCHANGEABLE
Spring,helical,extension
Cross-Reference Index
Part NumberManufacturer
56109 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5330-00-187-2962INTERCHANGEABLE
GASKET
4981106-0
5360-00-353-2564INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
11B1257
5360-00-576-3880INTERCHANGEABLE
SPRING,HELICAL,EXTENSION

Frequently Asked Questions

What is NSN 3120-00-483-6327?

NSN 3120-00-483-6327 is a Bearing,sleeve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-483-6327?

NSN 3120-00-483-6327 has 1 cross-referenced part number: 56109 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 3120-00-483-6327?

There are 3 known substitutes for 3120-00-483-6327: 5330-00-187-2962, 5360-00-353-2564, 5360-00-576-3880. Verify interchangeability with system specifications before substitution.

What are the specifications of 56109?

Key specifications for 56109: Hardness Rating: 88.5 ROCKWELL C MINIMUM AND 92.5 ROCKWELL C MAXIMUM OVERALL; Surface Treatment Document and Classification: HS NO. 74,FSCM 73030 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Corner Shape: SQUARE ALL CORNERS; Material: STEEL COMP 4130 OR STEEL COMP 8740 OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-483-6327 still in active supply?

NSN 3120-00-483-6327 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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