PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C240239-2Bearing,ball,airframe

Raytheon Company Dba Raytheon Co · NSN 3110-00-142-4451 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-142-4451 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-142-4451. Primary manufacturer part number: C240239-2.
Features
  • Bearing,ball,airframe — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Functional Description: INTMD DUTY ACFT CONT SYS
  • Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
  • Lubrication Material: GREASE
  • Outer Ring Width: 0.2244 INCHES MINIMUM AND 0.2344 INCHES MAXIMUM IN
  • Inner Ring Width: 0.2919 INCHES MINIMUM AND 0.2969 INCHES MAXIMUM IN
  • Seal Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Outer Ring construction
General Description

The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-142-4451, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-142-4451
Primary Part NumberC240239-2
Item NameBearing,ball,airframe
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Functional DescriptionINTMD DUTY ACFT CONT SYS
Standard Tolerance DesignationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
Lubrication MaterialGREASE
Outer Ring Width0.2244 INCHES MINIMUM AND 0.2344 INCHES MAXIMUM IN
Inner Ring Width0.2919 INCHES MINIMUM AND 0.2969 INCHES MAXIMUM IN
Seal Quantity2
Internal Fit-Up DesignationSTANDARD
Bearing Seal TypeCONTACT
Load DirectionRADIAL
Type/model DesignationKP-A
Bore Diameter0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
MaterialSTEEL COMP E52100 OUTER RING
Overall Outside Diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC AND STEEL CORROSION RESISTING SEAL
Material Document and Classification66,UNS G52986 FED STD SINGLE MATERIAL RESPONSE INNER RING
Specification/standard Data88044-AN201/CANCELED/ GOVERNMENT STANDARD AND 96906-MS20201/CANCELED/ GOVERNMENT STANDARD
Style DesignatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
Relationship to Similar EquipmentSIMILAR TO NSN 3110-00-027-8758
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 BALL
Material Document and Classification66,UNS G51986 FED STD 1ST MATERIAL RESPONSE OR 66,UNS G52986 ASSN STD 2ND MATERIAL RESPONSE BALL
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Surface Treatment Document and ClassificationQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
Material Document and Classification66,UNS G52986 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationRUBBER COMP AND CRES MFR REF ALL MATERIAL RESPONSES SEAL
Supplementary FeaturesNOT TO BE RELUB
MaterialSTEEL COMP E52100 INNER RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-027-8758MS27641-3 INTERCHANGEABLE
Bearing,ball,airframe
Sae International Dba Sae International
3110-00-901-1045KP3A INTERCHANGEABLE
Bearing,ball,airframe
Simpson Engineering Co
Cross-Reference Index
Part NumberManufacturer
KP3AFS50160X Timken Co Div the Timken Company (USA)
C240239-2 PRIMARY Raytheon Company Dba Raytheon Co (USA)
248531 Raytheon Technical Services Company (USA)
KP3AFS10160X Timken Co Div the Timken Company (USA)
KP3AFS160 PRIMARY Lta/d-Cemco Inc Dba D-Cemco (USA)
KP3AFS10160S Timken Co Div the Timken Company (USA)
KP3A AN-G-25 Timken Co Div the Timken Company (USA)
AN201KP3A Aeronautical Standards Group Dept of Navy and Air Force (USA)
MS20201KP3A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
KP3A Timken Co Div the Timken Company (USA)
KP3A MIL-G-3278 Timken Co Div the Timken Company (USA)
KP3A Skf Usa Inc. (USA)
KP3AFS50160S Timken Co Div the Timken Company (USA)
Related Parts
3110-00-027-8758INTERCHANGEABLE
BEARING,BALL,AIRFRAME
MS27641-3
3110-00-901-1045INTERCHANGEABLE
BEARING,BALL,AIRFRAME
KP3A

Frequently Asked Questions

What is NSN 3110-00-142-4451?

NSN 3110-00-142-4451 is a Bearing,ball,airframe, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-142-4451?

NSN 3110-00-142-4451 has 13 cross-referenced part numbers: KP3AFS50160X (Timken Co Div the Timken Company), C240239-2 (Raytheon Company Dba Raytheon Co), 248531 (Raytheon Technical Services Company), KP3AFS10160X (Timken Co Div the Timken Company), KP3AFS160 (Lta/d-Cemco Inc Dba D-Cemco) and 8 more.

What NSN replaces 3110-00-142-4451?

There are 2 known substitutes for 3110-00-142-4451: 3110-00-027-8758, 3110-00-901-1045. Verify interchangeability with system specifications before substitution.

What are the specifications of C240239-2?

Key specifications for C240239-2: Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Functional Description: INTMD DUTY ACFT CONT SYS; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS; Lubrication Material: GREASE. 27 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