PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27640-3ABearing,ball,airframe

Sae International Dba Sae International · NSN 3110-00-023-4810 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-023-4810 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-023-4810. Primary manufacturer part number: MS27640-3A.
Features
  • Bearing,ball,airframe — FSC 3110
  • Load Direction: RADIAL
  • Seal Quantity: 2
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Outer Ring Width: 0.2030 INCHES NOMINAL IN
  • Bearing Seal Type: CONTACT
  • Inner Ring Width: 0.2450 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Inner Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-023-4810, 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 18 commercial cross-references from 9 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
NSN3110-00-023-4810
Primary Part NumberMS27640-3A
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Load DirectionRADIAL
Seal Quantity2
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Outer Ring Width0.2030 INCHES NOMINAL IN
Bearing Seal TypeCONTACT
Inner Ring Width0.2450 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter0.6250 INCHES NOMINAL IN
MaterialSTEEL COMP E52100 INNER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES BALL
MaterialSTEEL COMP E52100 OUTER RING
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 BALL
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 INNER RING
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
MaterialSTEEL CORROSION RESISTING RETAINER
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
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
Bore Diameter0.1900 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-023-4022MS27640-10 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-023-4799MS27640-3 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
4320-00-467-987067130 INTERCHANGEABLE
Ring,lantern
Itt Goulds Pumps, Inc.
6625-00-730-2988 INTERCHANGEABLE
Voltmeter
3110-00-801-0316BACB10FT04JP INTERCHANGEABLE
Bearing,ball,airframe
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
KP3L Timken Co Div the Timken Company (USA)
KP3LFS464 Timken Co Div the Timken Company (USA)
MS27640-3A Society of Automotive Engineers Inc (USA)
K3L Skf Usa Inc. (USA)
9408308501 Pilatus Aircraft Ltd (CHE)
KP3L-H Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
K3L-C Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
MS27640-3A PRIMARY Sae International Dba Sae International (USA)
AN200K3L Aeronautical Standards Group Dept of Navy and Air Force (USA)
K3L Timken Co Div the Timken Company (USA)
MS27640-3A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS20200-K3L Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS27640 Society of Automotive Engineers Inc (USA)
AS7949 Sae International Dba Sae International (USA)
AS7949 Society of Automotive Engineers Inc (USA)
67130 Raytheon Technical Services Company (USA)
K3LFS464 Timken Co Div the Timken Company (USA)
AS27640 Sae International Dba Sae International (USA)
Related Parts
3110-00-023-4022INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-10
3110-00-023-4799INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27640-3
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
4320-00-467-9870INTERCHANGEABLE
RING,LANTERN
67130
6625-00-730-2988INTERCHANGEABLE
VOLTMETER
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 3110-00-023-4810?

NSN 3110-00-023-4810 is a Bearing,ball,airframe, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-023-4810?

NSN 3110-00-023-4810 has 18 cross-referenced part numbers: KP3L (Timken Co Div the Timken Company), KP3LFS464 (Timken Co Div the Timken Company), MS27640-3A (Society of Automotive Engineers Inc), K3L (Skf Usa Inc.), 9408308501 (Pilatus Aircraft Ltd) and 13 more.

What NSN replaces 3110-00-023-4810?

There are 12 known substitutes for 3110-00-023-4810: 3110-00-023-4022, 3110-00-023-4799, 3110-00-023-6669 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27640-3A?

Key specifications for MS27640-3A: Load Direction: RADIAL; Seal Quantity: 2; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS; Outer Ring Width: 0.2030 INCHES NOMINAL IN. 22 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