PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27640-3Bearing,ball,airframe

Sae International Dba Sae International · NSN 3110-00-023-4799 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-023-4799 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-023-4799. Primary manufacturer part number: MS27640-3.
Features
  • Bearing,ball,airframe — FSC 3110
  • Material: STEEL CORROSION RESISTING RETAINER
  • Load Direction: RADIAL
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bearing Seal Type: CONTACT
  • Outer Ring Width: 0.2700 INCHES NOMINAL IN
  • Seal Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Retainer construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-023-4799, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-023-4799
Primary Part NumberMS27640-3
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING RETAINER
Load DirectionRADIAL
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Bearing Seal TypeCONTACT
Outer Ring Width0.2700 INCHES NOMINAL IN
Seal Quantity2
Inner Ring Width0.2970 INCHES NOMINAL IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 BALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP E52100 INNER RING
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
Bore Diameter0.1900 INCHES NOMINAL IN
Material Document and ClassificationAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
Surface TreatmentCADMIUM EXPOSED SURFACES AS MOUNTED
MaterialSTEEL COMP E52100 OUTER RING
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES BALL
Overall Outside Diameter0.7774 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-023-4022MS27640-10 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-023-4810MS27640-3A INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-023-6669MS27640-4 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-023-7007MS27640-5 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-023-7979MS27640-6 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-027-3401MS27640-8 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-142-4318KS8 INTERCHANGEABLE
Bearing,ball,airframe
Fag Bearings Corporation
3110-00-801-0316BACB10FT04JP INTERCHANGEABLE
Bearing,ball,airframe
The Boeing Company Div Defense
3110-01-133-9539MS27640-5R INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-01-174-8296MS27640-4G INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
KP3 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
AS27640 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
KP3FS160 Timken Co Div the Timken Company (USA)
MS27640-3 Society of Automotive Engineers Inc (USA)
MS27640-3 PRIMARY Sae International Dba Sae International (USA)
MS20200KP3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS27640 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
KP3FS464 Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA)
MS27640-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS27640 Society of Automotive Engineers Inc (USA)
3110PL1755896 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AN200KP3ANG25 Joint Aircraft Committee (USA)
KP3 Skf Usa Inc. (USA)
KP3FS464 Timken Co Div the Timken Company (USA)
3110PL0670045 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AS27640 Sae International Dba Sae International (USA)
Related Parts
3110-00-023-4022INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-10
3110-00-023-4810INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-3A
3110-00-023-6669INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-4
3110-00-023-7007INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-5
3110-00-023-7979INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-6
3110-00-027-3401INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-8
3110-00-142-4318INTERCHANGEABLE
BEARING,BALL,AIRFRAME
KS8
3110-00-801-0316INTERCHANGEABLE
BEARING,BALL,AIRFRAME
BACB10FT04JP
3110-01-133-9539INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-5R
3110-01-174-8296INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-4G

Frequently Asked Questions

What is NSN 3110-00-023-4799?

NSN 3110-00-023-4799 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-023-4799?

NSN 3110-00-023-4799 has 16 cross-referenced part numbers: KP3 (Schatz Bearing Corporation Dba Schatz Bearing Corp), AS27640 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), KP3FS160 (Timken Co Div the Timken Company), MS27640-3 (Society of Automotive Engineers Inc), MS27640-3 (Sae International Dba Sae International) and 11 more.

What NSN replaces 3110-00-023-4799?

There are 10 known substitutes for 3110-00-023-4799: 3110-00-023-4022, 3110-00-023-4810, 3110-00-023-6669 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27640-3?

Key specifications for MS27640-3: Material: STEEL CORROSION RESISTING RETAINER; Load Direction: RADIAL; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS; Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-023-4799 still in active supply?

NSN 3110-00-023-4799 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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