PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21151-4Bearing,ball,rod End

Sae International Dba Sae International · NSN 3110-00-766-6924 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-766-6924 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-766-6924. Primary manufacturer part number: MS21151-4.
Features
  • Bearing,ball,rod End — FSC 3110
  • Seal Quantity: 2
  • Thread Quantity Per Inch: 24
  • Self-Alignment Location: INTERNAL
  • Inner Ring Width: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
  • Lubrication Material: GREASE
  • Criticality Code Justification: FEAT
  • Outer Ring Width: 0.3180 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Ball construction
General Description

The Bearing,ball,rod End, cataloged under National Stock Number 3110-00-766-6924, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 10 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
NSN3110-00-766-6924
Primary Part NumberMS21151-4
Item NameBearing,ball,rod End
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Seal Quantity2
Thread Quantity Per Inch24
Self-Alignment LocationINTERNAL
Inner Ring Width0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
Lubrication MaterialGREASE
Criticality Code JustificationFEAT
Outer Ring Width0.3180 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
Shank Thread Length0.7190 INCHES MINIMUM AND 0.7810 INCHES MAXIMUM IN
Alignment TypeSELF-ALIGNING
Self-Alignment Angle10.00 DEGREES NOMINAL
Length From Bore Center to Shank End1.3650 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN
Bearing Seal TypeCONTACT
Nominal Thread Size0.375 INCHES IN
Style DesignatorDOUBLE ROW, STAGGERED, BALL
Surface TreatmentCADMIUM ROD END BODY
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
MaterialSTEEL COMP E52100 BALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Overall Outside Diameter0.7710 INCHES MINIMUM AND 0.7910 INCHES MAXIMUM IN
Thread Class3A A
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE BALL
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP 4130 SHAFT
Bore Diameter0.1897 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
MaterialSTEEL COMP E52100 INNER RING
Surface TreatmentCADMIUM OUTER RING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-001-4707MS51151-3 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-159-1632MS21151-6G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-173-5074MS21153-4G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-187-5666MS21152-2 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-2933MS21151-7 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3075MS21151-8 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3177MS21151-9 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3329MS21151-11G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3428MS21151-10 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3467MS21151-2 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
REPEM6-2N Skf Usa Inc. (USA)
BACB10A435 The Boeing Company Div Defense (USA)
10126830 Nimikkeistokeskus Ncb Finland (FIN)
REP3M6-4F Roller Bearing Company of America, Inc. (USA)
AS6039 Sae International Dba Sae International (USA)
BACB10A72 The Boeing Company Div Defense (USA)
REP-3-M-6-2-N-1 Mcwilliams Forge Company (USA)
MS21151-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21151-4 Society of Automotive Engineers Inc (USA)
AS21151 Society of Automotive Engineers Inc (USA)
AN946RE3M6-2N Aeronautical Standards Group Dept of Navy and Air Force (USA)
MS21151-4 PRIMARY Sae International Dba Sae International (USA)
AS21151 Sae International Dba Sae International (USA)
AS6039 Society of Automotive Engineers Inc (USA)
REP3M6-2NFS464 Roller Bearing Company of America, Inc. (USA)
REP3M6-2NFS464 Timken Co Div the Timken Company (USA)
REP3M6-2NF3210 Timken Co Div the Timken Company (USA)
Related Parts
3110-00-001-4707INTERCHANGEABLE
BEARING,BALL,ROD END
MS51151-3
3110-00-159-1632INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-6G
3110-00-173-5074INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-4G
3110-00-187-5666INTERCHANGEABLE
BEARING,BALL,ROD END
MS21152-2
3110-00-232-2933INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-7
3110-00-232-3075INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-8
3110-00-232-3177INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-9
3110-00-232-3329INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-11G
3110-00-232-3428INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-10
3110-00-232-3467INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-2
3110-00-263-8705INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-6
3110-00-516-2556INTERCHANGEABLE
BEARING,BALL,ROD END

Frequently Asked Questions

What is NSN 3110-00-766-6924?

NSN 3110-00-766-6924 is a Bearing,ball,rod End, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-766-6924?

NSN 3110-00-766-6924 has 17 cross-referenced part numbers: REPEM6-2N (Skf Usa Inc.), BACB10A435 (The Boeing Company Div Defense), 10126830 (Nimikkeistokeskus Ncb Finland), REP3M6-4F (Roller Bearing Company of America, Inc.), AS6039 (Sae International Dba Sae International) and 12 more.

What NSN replaces 3110-00-766-6924?

There are 12 known substitutes for 3110-00-766-6924: 3110-00-001-4707, 3110-00-159-1632, 3110-00-173-5074 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21151-4?

Key specifications for MS21151-4: Seal Quantity: 2; Thread Quantity Per Inch: 24; Self-Alignment Location: INTERNAL; Inner Ring Width: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-766-6924 still in active supply?

NSN 3110-00-766-6924 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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