PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27645-10Bearing,ball,airframe

Sae International Dba Sae International · NSN 3110-00-042-4803 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-042-4803 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-042-4803. Primary manufacturer part number: MS27645-10.
Features
  • Bearing,ball,airframe — FSC 3110
  • Self-Alignment Location: INTERNAL
  • Inner Ring Width: 0.8130 INCHES NOMINAL IN
  • Outer Ring Width: 0.6250 INCHES NOMINAL IN
  • Bearing Seal Type: CONTACT
  • Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
  • Load Direction: RADIAL
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polytetrafluoroethylene Seal construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-042-4803, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 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: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-042-4803
Primary Part NumberMS27645-10
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Self-Alignment LocationINTERNAL
Inner Ring Width0.8130 INCHES NOMINAL IN
Outer Ring Width0.6250 INCHES NOMINAL IN
Bearing Seal TypeCONTACT
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Load DirectionRADIAL
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Alignment TypeSELF-ALIGNING
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
Material Document and ClassificationAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 BALL
Overall Outside Diameter1.9375 INCHES NOMINAL IN
Surface TreatmentCADMIUM EXPOSED SURFACES AS MOUNTED
Seal Quantity2
MaterialSTEEL COMP E52100 OUTER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MaterialSTEEL COMP E52100 INNER RING
Style DesignatorSINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES BALL
MaterialSTEEL CORROSION RESISTING RETAINER
Bore Diameter0.6250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-042-4804MS27645-3 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4805 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-042-4806 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-042-4807MS27645-4A INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4808MS27645-5 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4809MS27645-5A INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4810MS27645-6 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4823KSP6A INTERCHANGEABLE
Bearing,ball,airframe
New Hampshire Ball Bearings Inc Div Hitech Division
3110-00-042-4833MS27645-8 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-124-2374MS27645-6G INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
KSP10FS464 Rbc Aircraft Products, Inc. (USA)
AS27645 Society of Automotive Engineers Inc (USA)
SAE AS27645 Society of Automotive Engineers Inc (USA)
AS27645 Sae International Dba Sae International (USA)
MS27261KSP10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M27645-10 Society of Automotive Engineers Inc (USA)
SAE AS27645 Sae International Dba Sae International (USA)
3110000424803 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS27645-10 Society of Automotive Engineers Inc (USA)
KSP10 Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
KSP10FS464 Timken Co Div the Timken Company (USA)
MS27645-10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
KSP10 Skf Usa Inc. (USA)
10107324 Nimikkeistokeskus Ncb Finland (FIN)
MS27645-10 PRIMARY Sae International Dba Sae International (USA)
Related Parts
3110-00-042-4804INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-3
3110-00-042-4805INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-042-4806INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-042-4807INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-4A
3110-00-042-4808INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-5
3110-00-042-4809INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-5A
3110-00-042-4810INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-6
3110-00-042-4823INTERCHANGEABLE
BEARING,BALL,AIRFRAME
KSP6A
3110-00-042-4833INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-8
3110-00-124-2374INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-6G
3110-00-140-9586INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-3AG
3110-00-142-4313INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27645-3G

Frequently Asked Questions

What is NSN 3110-00-042-4803?

NSN 3110-00-042-4803 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 3110-00-042-4803?

NSN 3110-00-042-4803 has 15 cross-referenced part numbers: KSP10FS464 (Rbc Aircraft Products, Inc.), AS27645 (Society of Automotive Engineers Inc), SAE AS27645 (Society of Automotive Engineers Inc), AS27645 (Sae International Dba Sae International), MS27261KSP10 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.

What NSN replaces 3110-00-042-4803?

There are 12 known substitutes for 3110-00-042-4803: 3110-00-042-4804, 3110-00-042-4805, 3110-00-042-4806 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27645-10?

Key specifications for MS27645-10: Self-Alignment Location: INTERNAL; Inner Ring Width: 0.8130 INCHES NOMINAL IN; Outer Ring Width: 0.6250 INCHES NOMINAL IN; Bearing Seal Type: CONTACT. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-042-4803 still in active supply?

NSN 3110-00-042-4803 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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