PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21152-5Bearing,ball,rod End

Sae International Dba Sae International · NSN 3110-01-126-1681 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-126-1681 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-126-1681. Primary manufacturer part number: MS21152-5.
Features
  • Bearing,ball,rod End — FSC 3110
  • Overall Outside Diameter: 0.9280 INCHES MINIMUM AND 0.9480 INCHES MAXIMUM IN
  • Bore Diameter: 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Self-Alignment Location: INTERNAL
  • Lubrication Material: GREASE
  • Self-Alignment Angle: 10.00 DEGREES NOMINAL
  • Outer Ring Width: 0.4280 INCHES MINIMUM AND 0.4480 INCHES MAXIMUM IN
  • Alignment Type: SELF-ALIGNING
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 3110-01-126-1681, 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 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-126-1681
Primary Part NumberMS21152-5
Item NameBearing,ball,rod End
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Overall Outside Diameter0.9280 INCHES MINIMUM AND 0.9480 INCHES MAXIMUM IN
Bore Diameter0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Self-Alignment LocationINTERNAL
Lubrication MaterialGREASE
Self-Alignment Angle10.00 DEGREES NOMINAL
Outer Ring Width0.4280 INCHES MINIMUM AND 0.4480 INCHES MAXIMUM IN
Alignment TypeSELF-ALIGNING
Inner Ring Width0.5880 INCHES MINIMUM AND 0.5930 INCHES MAXIMUM IN
Length From Bore Center to Shank End1.8650 INCHES MINIMUM AND 1.8850 INCHES MAXIMUM IN
Bearing Seal TypeCONTACT
Seal Quantity2
Shank Bore Diameter0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
Shank Bore Depth1.0940 INCHES MINIMUM AND 1.1560 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP E52100 BALL
Material Document and ClassificationAMS3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS3666 ASSN STD 2ND MATERIAL RESPONSE SEAL
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP 4130 OR STEEL COMP 8620 ROD END BODY
Lubrication Material Document and ClassificationMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MaterialSTEEL COMP 4130 OR STEEL COMP 8620 OUTER RING
Shank StyleHOLLOW
MaterialSTEEL COMP E52100 INNER RING
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
Material Document and ClassificationMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-8690 MIL SPEC 2ND MATERIAL RESPONSE ROD END BODY
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER SEAL
Material Document and ClassificationMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-8690 MIL SPEC 2ND MATERIAL RESPONSE OUTER RING
Style DesignatorDOUBLE ROW, STAGGERED, BALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-723-2418MS21152-5G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
REP4H-2FS464 Roller Bearing Company of America, Inc. (USA)
REP4H-2FS464 Sae International Dba Sae International (USA)
REP4H8-5F Roller Bearing Company of America, Inc. (USA)
MS21152-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21152-5 Society of Automotive Engineers Inc (USA)
REP4H-2FS464 Timken Co Div the Timken Company (USA)
MS21152-5 PRIMARY Sae International Dba Sae International (USA)
REP4H-2FS464 Society of Automotive Engineers Inc (USA)
Related Parts
3110-00-723-2418INTERCHANGEABLE
BEARING,BALL,ROD END
MS21152-5G

Frequently Asked Questions

What is NSN 3110-01-126-1681?

NSN 3110-01-126-1681 is a Bearing,ball,rod End, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-126-1681?

NSN 3110-01-126-1681 has 8 cross-referenced part numbers: REP4H-2FS464 (Roller Bearing Company of America, Inc.), REP4H-2FS464 (Sae International Dba Sae International), REP4H8-5F (Roller Bearing Company of America, Inc.), MS21152-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS21152-5 (Society of Automotive Engineers Inc) and 3 more.

What NSN replaces 3110-01-126-1681?

There is 1 known substitute for 3110-01-126-1681: 3110-00-723-2418. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21152-5?

Key specifications for MS21152-5: Overall Outside Diameter: 0.9280 INCHES MINIMUM AND 0.9480 INCHES MAXIMUM IN; Bore Diameter: 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Self-Alignment Location: INTERNAL; Lubrication Material: GREASE. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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