PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13084955-502Bearing,ball,annular

Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah · NSN 3110-01-330-2409 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-330-2409 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-330-2409. Primary manufacturer part number: 13084955-502.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL COMP 440C OUTER RING
  • Material: STEEL CORROSION RESISTING RETAINER
  • Flange Outside Diameter: 0.2960 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Lubrication Material: OIL
  • Alignment Type: RIGID
  • Outer Ring Outside Diameter: 0.2500 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Outer Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-330-2409, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-330-2409
Primary Part Number13084955-502
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerProgram Manager Advanced Attack Helicopter Barcom Amcpm-Aah
StatusACTIVE
MaterialSTEEL COMP 440C OUTER RING
MaterialSTEEL CORROSION RESISTING RETAINER
Flange Outside Diameter0.2960 INCHES NOMINAL IN
Load DirectionRADIAL
Lubrication MaterialOIL
Alignment TypeRIGID
Outer Ring Outside Diameter0.2500 INCHES NOMINAL IN
Outer Ring Width0.1094 INCHES NOMINAL IN
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Bore ShapeSTRAIGHT
Shield Quantity2
Flange Width0.0310 INCHES NOMINAL IN
Inner Ring Width0.1406 INCHES NOMINAL IN
Internal Clearance0.0004 INCHES MINIMUM RADIAL AND 0.0007 INCHES MAXIMUM RADIAL IN
Standard Tolerance DesignationABEC NO.5
Surface TreatmentPASSIVATE BALL
Surface TreatmentPASSIVATE OUTER RING
Surface TreatmentPASSIVATE INNER RING
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP 440C BALL
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP 440C INNER RING
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Bore Diameter0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-184-1004 INTERCHANGEABLE
Bearing,ball,annular
3110-00-198-0928 INTERCHANGEABLE
Bearing,ball,annular
3110-00-198-2051 INTERCHANGEABLE
Bearing,ball,duplex
3110-00-585-3448 INTERCHANGEABLE
Bearing,ball,annular
3110-00-620-4913 INTERCHANGEABLE
Bearing,ball,annular
3110-00-763-7685E1-1 INTERCHANGEABLE
Bearing,ball,annular
Roller Bearing Co of America, Inc Div Pic Design
3110-00-789-8399 INTERCHANGEABLE
Bearing,ball,annular
3110-00-811-0735 INTERCHANGEABLE
Bearing,ball,annular
3110-01-059-5724 INTERCHANGEABLE
Bearing,ball,annular
3110-01-258-0887 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
13084955-502 Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah (USA)
MIL-B-81793C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M81793-FECDAA03CE51AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
13084955-502. Lockheed Martin Corporation (USA)
M81793/15-FB1C5N1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-184-1004INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-198-0928INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-198-2051INTERCHANGEABLE
BEARING,BALL,DUPLEX
3110-00-585-3448INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-620-4913INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-763-7685INTERCHANGEABLE
BEARING,BALL,ANNULAR
E1-1
3110-00-789-8399INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-811-0735INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-059-5724INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-258-0887INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-260-8970INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-298-8149INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-330-2409?

NSN 3110-01-330-2409 is a Bearing,ball,annular, manufactured by Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-330-2409?

NSN 3110-01-330-2409 has 5 cross-referenced part numbers: 13084955-502 (Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah), MIL-B-81793C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793-FECDAA03CE51AB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 13084955-502. (Lockheed Martin Corporation), M81793/15-FB1C5N1A1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3110-01-330-2409?

There are 12 known substitutes for 3110-01-330-2409: 3110-00-184-1004, 3110-00-198-0928, 3110-00-198-2051 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13084955-502?

Key specifications for 13084955-502: Material: STEEL COMP 440C OUTER RING; Material: STEEL CORROSION RESISTING RETAINER; Flange Outside Diameter: 0.2960 INCHES NOMINAL IN; Load Direction: RADIAL. 27 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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