PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27644-6Bearing,ball,airframe

Sae International Dba Sae International · NSN 3110-00-042-4575 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-042-4575 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-042-4575. Primary manufacturer part number: MS27644-6.
Features
  • Bearing,ball,airframe — FSC 3110
  • Outer Ring Width: 0.7940 INCHES NOMINAL IN
  • Seal Quantity: 2
  • Bearing Seal Type: CONTACT
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Inner Ring Width: 0.8700 INCHES NOMINAL IN
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 3110-00-042-4575, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-042-4575
Primary Part NumberMS27644-6
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Outer Ring Width0.7940 INCHES NOMINAL IN
Seal Quantity2
Bearing Seal TypeCONTACT
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Inner Ring Width0.8700 INCHES NOMINAL IN
Bore Diameter0.3750 INCHES NOMINAL IN
Style DesignatorDOUBLE ROW
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
Overall Outside Diameter1.4375 INCHES NOMINAL IN
MaterialSTEEL COMP E52100 OUTER RING
MaterialSTEEL COMP E52100 INNER RING
Material Document and ClassificationAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 BALL
Surface TreatmentCADMIUM EXPOSED SURFACES AS MOUNTED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3110-00-042-4532MS27644-10 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4571MS27644-4 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4572MS27644-5 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-042-4589MS27644-8 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS27644-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
DPP6 Skf Usa Inc. (USA)
DPP6FS464 Rbc Aircraft Products, Inc. (USA)
AN207DP6 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AS27644 Sae International Dba Sae International (USA)
302M0032P004 Raytheon Company Div Corp (USA)
AS27644 Society of Automotive Engineers Inc (USA)
MS27644-6 PRIMARY Sae International Dba Sae International (USA)
MS27644-6 Society of Automotive Engineers Inc (USA)
DPP6FS464 Timken Co Div the Timken Company (USA)
MS20207DPP6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
DPP6 Timken Co Div the Timken Company (USA)
Related Parts
3110-00-042-4532INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-10
3110-00-042-4571INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-4
3110-00-042-4572INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-5
3110-00-042-4589INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-8

Frequently Asked Questions

What is NSN 3110-00-042-4575?

NSN 3110-00-042-4575 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 3110-00-042-4575?

NSN 3110-00-042-4575 has 12 cross-referenced part numbers: MS27644-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), DPP6 (Skf Usa Inc.), DPP6FS464 (Rbc Aircraft Products, Inc.), AN207DP6 (Aeronautical Standards Group Dept of Navy and Air Force), AS27644 (Sae International Dba Sae International) and 7 more.

What NSN replaces 3110-00-042-4575?

There are 4 known substitutes for 3110-00-042-4575: 3110-00-042-4532, 3110-00-042-4571, 3110-00-042-4572 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27644-6?

Key specifications for MS27644-6: Outer Ring Width: 0.7940 INCHES NOMINAL IN; Seal Quantity: 2; Bearing Seal Type: CONTACT; Load Direction: RADIAL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-042-4575 still in active supply?

NSN 3110-00-042-4575 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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