PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M81793-BFHHAA03CF5SAB1Bearing,ball,annular

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-00-620-4913 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-620-4913 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-620-4913. Primary manufacturer part number: M81793-BFHHAA03CF5SAB1.
Features
  • Bearing,ball,annular — FSC 3110
  • Overall Outside Diameter: 0.3750 INCHES NOMINAL IN
  • Retainer Fabrication Method: PRESSED
  • Lubrication Material: OIL
  • Surface Finish: GROUND
  • Bore Shape: STRAIGHT
  • Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
  • Standard Tolerance Designation: ABEC NO.5
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-620-4913, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN3110-00-620-4913
Primary Part NumberM81793-BFHHAA03CF5SAB1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Overall Outside Diameter0.3750 INCHES NOMINAL IN
Retainer Fabrication MethodPRESSED
Lubrication MaterialOIL
Surface FinishGROUND
Bore ShapeSTRAIGHT
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.5
Internal Fit-Up DesignationLOOSE
Shield Quantity2
Load DirectionRADIAL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
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
3110-00-763-7685E1-1 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
3110-01-260-8970 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
M81793-BFHHAA03CF5SAB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
859613 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MIL-B-81793C 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
3110-00-763-7685INTERCHANGEABLE
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
3110-01-330-2409INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-620-4913?

NSN 3110-00-620-4913 is a Bearing,ball,annular, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-620-4913?

NSN 3110-00-620-4913 has 3 cross-referenced part numbers: M81793-BFHHAA03CF5SAB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 859613 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MIL-B-81793C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3110-00-620-4913?

There are 12 known substitutes for 3110-00-620-4913: 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 M81793-BFHHAA03CF5SAB1?

Key specifications for M81793-BFHHAA03CF5SAB1: Overall Outside Diameter: 0.3750 INCHES NOMINAL IN; Overall Width: 0.1562 INCHES NOMINAL IN; Retainer Fabrication Method: PRESSED; Lubrication Material: OIL. 15 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