PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

405577Bearing,ball,annular

Eaton Aerospace, Llc Dba Jackson South · NSN 3110-00-556-6381 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-556-6381 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-556-6381. Primary manufacturer part number: 405577.
Features
  • Bearing,ball,annular — FSC 3110
  • Material Document and Classification: -50,FSCM 62983 MFR REF 3RD MATERIAL RESPONSE OUTER RING
  • Material: STEEL OUTER RING
  • Material Document and Classification: -50,FSCM 62983 MFR REF 1ST MATERIAL RESPONSE INNER RING
  • Material Document and Classification: -50,FSCM 62983 MFR REF 2ND MATERIAL RESPONSE BALL
  • Material: STEEL INNER RING
  • Material Document and Classification: AMS 4616 ASSN STD 4TH MATERIAL RESPONSE RETAINER
  • Material: COPPER ALLOY RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-556-6381, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 16 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
NSN3110-00-556-6381
Primary Part Number405577
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Material Document and Classification-50,FSCM 62983 MFR REF 3RD MATERIAL RESPONSE OUTER RING
MaterialSTEEL OUTER RING
Material Document and Classification-50,FSCM 62983 MFR REF 1ST MATERIAL RESPONSE INNER RING
Material Document and Classification-50,FSCM 62983 MFR REF 2ND MATERIAL RESPONSE BALL
MaterialSTEEL INNER RING
Material Document and ClassificationAMS 4616 ASSN STD 4TH MATERIAL RESPONSE RETAINER
MaterialCOPPER ALLOY RETAINER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL BALL
Bore Diameter0.5904 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
Retainer Fabrication MethodMACHINED
Surface FinishGROUND
Load DirectionRADIAL
Internal Clearance0.0006 INCHES MINIMUM RADIAL AND 0.0011 INCHES MAXIMUM RADIAL IN
Overall Outside Diameter1.2593 INCHES MINIMUM AND 1.2598 INCHES MAXIMUM IN
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6610-01-284-323640-557-7 INTERCHANGEABLE
Indicator,trim,control Surfaces
Meggitt (new Hampshire), Inc
5985-01-341-8441405577 INTERCHANGEABLE
Coupler,directional
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
405577 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
6610-01-284-3236INTERCHANGEABLE
INDICATOR,TRIM,CONTROL SURFACES
40-557-7
5985-01-341-8441INTERCHANGEABLE
COUPLER,DIRECTIONAL
405577

Frequently Asked Questions

What is NSN 3110-00-556-6381?

NSN 3110-00-556-6381 is a Bearing,ball,annular, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-556-6381?

NSN 3110-00-556-6381 has 1 cross-referenced part number: 405577 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3110-00-556-6381?

There are 2 known substitutes for 3110-00-556-6381: 6610-01-284-3236, 5985-01-341-8441. Verify interchangeability with system specifications before substitution.

What are the specifications of 405577?

Key specifications for 405577: Material Document and Classification: -50,FSCM 62983 MFR REF 3RD MATERIAL RESPONSE OUTER RING; Material: STEEL OUTER RING; Material Document and Classification: -50,FSCM 62983 MFR REF 1ST MATERIAL RESPONSE INNER RING; Material Document and Classification: -50,FSCM 62983 MFR REF 2ND MATERIAL RESPONSE BALL. 17 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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