PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27644-5Bearing,ball,airframe

Sae International Dba Sae International · NSN 3110-00-042-4572 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-042-4572 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-042-4572. Primary manufacturer part number: MS27644-5.
Features
  • Bearing,ball,airframe — FSC 3110
  • Overall Outside Diameter: 1.2500 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bearing Seal Type: CONTACT
  • Seal Quantity: 2
  • Outer Ring Width: 0.6870 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Inner Ring Width: 0.7450 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 or Steel Comp E51100 Ball construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-042-4572, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 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
NSN3110-00-042-4572
Primary Part NumberMS27644-5
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Overall Outside Diameter1.2500 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Bearing Seal TypeCONTACT
Seal Quantity2
Outer Ring Width0.6870 INCHES NOMINAL IN
Load DirectionRADIAL
Inner Ring Width0.7450 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Bore Diameter0.3125 INCHES NOMINAL IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP E52100 OR STEEL COMP E51100 BALL
MaterialSTEEL COMP E52100 OUTER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
Surface TreatmentCADMIUM EXPOSED SURFACES AS MOUNTED
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
Style DesignatorDOUBLE ROW
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES BALL
MaterialSTEEL COMP E52100 INNER RING
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE 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
3110-00-042-4575MS27644-6 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
DPP5FS464 Rbc Aircraft Products, Inc. (USA)
3100938 Embraer S.a. (BRA)
MS27644-5 Society of Automotive Engineers Inc (USA)
3100938 Embraer Aviation International (FRA)
3100938 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
AS27644 Sae International Dba Sae International (USA)
MS27644-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS27644 Society of Automotive Engineers Inc (USA)
AN207DPP5 Aeronautical Standards Group Dept of Navy and Air Force (USA)
3DPP5 Regent Controls Inc (USA)
MS27644-5 PRIMARY Sae International Dba Sae International (USA)
DPP5FS464 Timken Co Div the Timken Company (USA)
MS20207DPP5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-042-4532INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-10
3110-00-042-4571INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-4
3110-00-042-4575INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-6
3110-00-042-4589INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27644-8

Frequently Asked Questions

What is NSN 3110-00-042-4572?

NSN 3110-00-042-4572 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 3110-00-042-4572?

NSN 3110-00-042-4572 has 13 cross-referenced part numbers: DPP5FS464 (Rbc Aircraft Products, Inc.), 3100938 (Embraer S.a.), MS27644-5 (Society of Automotive Engineers Inc), 3100938 (Embraer Aviation International), 3100938 (Embraer Empresa Brasileira De Aeronautica Sa) and 8 more.

What NSN replaces 3110-00-042-4572?

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

What are the specifications of MS27644-5?

Key specifications for MS27644-5: Overall Outside Diameter: 1.2500 INCHES NOMINAL IN; Lubrication Material Document and Classification: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE; Bearing Seal Type: CONTACT; Seal Quantity: 2. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-042-4572 still in active supply?

NSN 3110-00-042-4572 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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