PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56559Bearing,sleeve

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 3120-00-293-4509 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-293-4509 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-293-4509. Primary manufacturer part number: 56559.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Material: STEEL COMP 4130 OVERALL
  • Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
  • Body Outside Diameter: 0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.6700 INCHES MINIMUM AND 0.6710 INCHES MAXIMUM IN
  • 5 verified cross-references
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-4509, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN3120-00-293-4509
Primary Part Number56559
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
MaterialSTEEL COMP 4130 OVERALL
Hardness Rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
Body Outside Diameter0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
Body Inside Diameter0.6700 INCHES MINIMUM AND 0.6710 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-00-543-2421 INTERCHANGEABLE
Spring,helical,torsion
5330-00-601-820812295 INTERCHANGEABLE
Seal
Clayton Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
56559 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
56559 Honeywell International Inc. Div Aerospace - Torrance (USA)
56559 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
56559 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
56559 Boeing Distribution Services X, Inc. (USA)
Related Parts
5360-00-543-2421INTERCHANGEABLE
SPRING,HELICAL,TORSION
5330-00-601-8208INTERCHANGEABLE
SEAL
12295

Frequently Asked Questions

What is NSN 3120-00-293-4509?

NSN 3120-00-293-4509 is a Bearing,sleeve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-293-4509?

NSN 3120-00-293-4509 has 5 cross-referenced part numbers: 56559 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 56559 (Honeywell International Inc. Div Aerospace - Torrance), 56559 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 56559 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 56559 (Boeing Distribution Services X, Inc.).

What NSN replaces 3120-00-293-4509?

There are 2 known substitutes for 3120-00-293-4509: 5360-00-543-2421, 5330-00-601-8208. Verify interchangeability with system specifications before substitution.

What are the specifications of 56559?

Key specifications for 56559: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Material: STEEL COMP 4130 OVERALL; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL. 7 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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