PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21151-11Bearing,ball,rod End

Sae International Dba Sae International · NSN 3110-00-079-9960 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-079-9960 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-079-9960. Primary manufacturer part number: MS21151-11.
Features
  • Bearing,ball,rod End — FSC 3110
  • Bore Diameter: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
  • Lubrication Material: GREASE
  • Seal Quantity: 2
  • Thread Quantity Per Inch: 20
  • Inner Ring Width: 0.8700 INCHES NOMINAL IN
  • Self-Alignment Angle: 10.00 DEGREES NOMINAL
  • Outer Ring Width: 0.6500 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Ball construction
General Description

The Bearing,ball,rod End, cataloged under National Stock Number 3110-00-079-9960, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-079-9960
Primary Part NumberMS21151-11
Item NameBearing,ball,rod End
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Bore Diameter0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
Lubrication MaterialGREASE
Seal Quantity2
Thread Quantity Per Inch20
Inner Ring Width0.8700 INCHES NOMINAL IN
Self-Alignment Angle10.00 DEGREES NOMINAL
Outer Ring Width0.6500 INCHES NOMINAL IN
Length From Bore Center to Shank End2.4380 INCHES NOMINAL IN
Nominal Thread Size0.438 INCHES IN
Self-Alignment LocationINTERNAL
Alignment TypeSELF-ALIGNING
Bearing Seal TypeCONTACT
Shank Thread Length1.5630 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-PRF-81322 MIL SPEC SINGLE MATERIAL RESPONSE
Shank Diameter0.4375 INCHES NOMINAL IN
Thread Class3A A
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Shank StyleEXTERNALLY THREADED
MaterialSTEEL BALL
MaterialSTEEL OUTER RING
Thread Series DesignatorUNF
Overall Outside Diameter1.2400 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
Style DesignatorDOUBLE ROW, STAGGERED, BALL
MaterialSTEEL SHAFT
MaterialSTEEL INNER RING
MaterialRUBBER SYNTHETIC SEAL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-232-3329MS21151-11G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-529-9201BACB10AD7 INTERCHANGEABLE
Bearing,ball,rod End
Roller Bearing Company of America, Inc.
4730-01-280-8483091-371583 INTERCHANGEABLE
Insert
Doall Baltimore Company
Cross-Reference Index
Part NumberManufacturer
137158 Stromberg E a Co (USA)
GB525L5C Northrop Grumman Systems Corporation (USA)
MS21151-11 Society of Automotive Engineers Inc (USA)
MS21151-11 PRIMARY Sae International Dba Sae International (USA)
MS21151-5M7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
REP5M7FS210 Timken Co Div the Timken Company (USA)
SB4003-1 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
AS21151C Society of Automotive Engineers Inc (USA)
137158 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
MS21151-11 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
RE5M7 Timken Co Div the Timken Company (USA)
AS21151C Sae International Dba Sae International (USA)
8501 Instruments and Flight Research, Inc. (USA)
137158 Bendix Corp the (USA)
AN946RE5M7 Aeronautical Standards Group Dept of Navy and Air Force (USA)
RE5M7FS464 Timken Co Div the Timken Company (USA)
REP5M7FS464 Timken Co Div the Timken Company (USA)
Related Parts
3110-00-232-3329INTERCHANGEABLE
BEARING,BALL,ROD END
MS21151-11G
3110-00-529-9201INTERCHANGEABLE
BEARING,BALL,ROD END
BACB10AD7
4730-01-280-8483INTERCHANGEABLE
INSERT
091-371583

Frequently Asked Questions

What is NSN 3110-00-079-9960?

NSN 3110-00-079-9960 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 3110-00-079-9960?

NSN 3110-00-079-9960 has 17 cross-referenced part numbers: 137158 (Stromberg E a Co), GB525L5C (Northrop Grumman Systems Corporation), MS21151-11 (Society of Automotive Engineers Inc), MS21151-11 (Sae International Dba Sae International), MS21151-5M7 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 12 more.

What NSN replaces 3110-00-079-9960?

There are 3 known substitutes for 3110-00-079-9960: 3110-00-232-3329, 3110-00-529-9201, 4730-01-280-8483. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21151-11?

Key specifications for MS21151-11: Bore Diameter: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN; Lubrication Material: GREASE; Seal Quantity: 2; Thread Quantity Per Inch: 20. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-079-9960 still in active supply?

NSN 3110-00-079-9960 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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