PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M21153-2GBearing,ball,rod End

Sae International Dba Sae International · NSN 3110-00-803-0558 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-803-0558 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-803-0558. Primary manufacturer part number: M21153-2G.
Features
  • Bearing,ball,rod End — FSC 3110
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Thread Direction: RIGHT-HAND
  • Overall Outside Diameter: 0.7810 INCHES NOMINAL IN
  • Shank Diameter: 0.4380 INCHES NOMINAL IN
  • Self-Alignment Angle: 10.00 DEGREES NOMINAL
  • Shank Thread Length: 0.7500 INCHES NOMINAL IN
  • Alignment Type: SELF-ALIGNING
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 3110-00-803-0558, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 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
NSN3110-00-803-0558
Primary Part NumberM21153-2G
Item NameBearing,ball,rod End
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Thread DirectionRIGHT-HAND
Overall Outside Diameter0.7810 INCHES NOMINAL IN
Shank Diameter0.4380 INCHES NOMINAL IN
Self-Alignment Angle10.00 DEGREES NOMINAL
Shank Thread Length0.7500 INCHES NOMINAL IN
Alignment TypeSELF-ALIGNING
Self-Alignment LocationINTERNAL
Lubrication MaterialGREASE
Nominal Thread Size0.312 INCHES IN
Bearing Seal TypeCONTACT
Inner Ring Width0.4370 INCHES NOMINAL IN
Width Across Flats0.4380 INCHES NOMINAL IN
Outer Ring Width0.3280 INCHES NOMINAL IN
Length From Bore Center to Shank End1.3750 INCHES NOMINAL IN
Seal Quantity2
Thread Quantity Per Inch24
Bore Diameter0.1900 INCHES NOMINAL IN
Thread Series DesignatorUNF
MaterialSTEEL BALL
Thread Class3B
MaterialSTEEL ROD END BODY
MaterialSTEEL OUTER RING
MaterialSTEEL INNER RING
MaterialSTEEL WASHER
Surface TreatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
Shank StyleINTERNALLY THREADED W/HEXAGON END
Style DesignatorDOUBLE ROW, STAGGERED, BALL
MaterialRUBBER SYNTHETIC SEAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-173-5074MS21153-4G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3179MS21153-1 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3216MS21153-3 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3245MS21153-2 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-232-3246REP4FL7-9SS464 INTERCHANGEABLE
Bearing,ball,rod End
Roller Bearing Company of America, Inc.
3110-00-232-3320MS21153-6 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-00-310-5035MS21153-6C INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-01-016-2967MS21153-10 INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
3110-01-026-3295 INTERCHANGEABLE
Bearing,ball,rod End
3110-01-039-5110MS21153-6G INTERCHANGEABLE
Bearing,ball,rod End
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
M21153-2G Society of Automotive Engineers Inc (USA)
REP3F5-2G Roller Bearing Company of America, Inc. (USA)
REPB3N21B100B000075K0000J Skf Usa Inc. (USA)
MS21153-2G Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS21153 Sae International Dba Sae International (USA)
REPB3N2FS428 Timken Co Div the Timken Company (USA)
REPB3N2 Timken Co Div the Timken Company (USA)
AS21153 Society of Automotive Engineers Inc (USA)
REPB3N2FS210 Timken Co Div the Timken Company (USA)
M21153-2G PRIMARY Sae International Dba Sae International (USA)
Related Parts
3110-00-173-5074INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-4G
3110-00-232-3179INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-1
3110-00-232-3216INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-3
3110-00-232-3245INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-2
3110-00-232-3246INTERCHANGEABLE
BEARING,BALL,ROD END
REP4FL7-9SS464
3110-00-232-3320INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-6
3110-00-310-5035INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-6C
3110-01-016-2967INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-10
3110-01-026-3295INTERCHANGEABLE
BEARING,BALL,ROD END
3110-01-039-5110INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-6G
3110-01-248-6246INTERCHANGEABLE
BEARING,BALL,ROD END
MS21153-3G
3110-01-543-3078INTERCHANGEABLE
BEARING,BALL,ROD END
AS21153-5

Frequently Asked Questions

What is NSN 3110-00-803-0558?

NSN 3110-00-803-0558 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 3110-00-803-0558?

NSN 3110-00-803-0558 has 10 cross-referenced part numbers: M21153-2G (Society of Automotive Engineers Inc), REP3F5-2G (Roller Bearing Company of America, Inc.), REPB3N21B100B000075K0000J (Skf Usa Inc.), MS21153-2G (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS21153 (Sae International Dba Sae International) and 5 more.

What NSN replaces 3110-00-803-0558?

There are 12 known substitutes for 3110-00-803-0558: 3110-00-173-5074, 3110-00-232-3179, 3110-00-232-3216 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M21153-2G?

Key specifications for M21153-2G: Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Thread Direction: RIGHT-HAND; Overall Outside Diameter: 0.7810 INCHES NOMINAL IN; Shank Diameter: 0.4380 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-803-0558 still in active supply?

NSN 3110-00-803-0558 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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